This is the 4.9.209 stable release

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Merge 4.9.209 into android-4.9-q

Changes in 4.9.209
	PM / devfreq: Don't fail devfreq_dev_release if not in list
	RDMA/cma: add missed unregister_pernet_subsys in init failure
	scsi: lpfc: Fix memory leak on lpfc_bsg_write_ebuf_set func
	scsi: qla2xxx: Don't call qlt_async_event twice
	scsi: iscsi: qla4xxx: fix double free in probe
	scsi: libsas: stop discovering if oob mode is disconnected
	usb: gadget: fix wrong endpoint desc
	md: raid1: check rdev before reference in raid1_sync_request func
	s390/cpum_sf: Adjust sampling interval to avoid hitting sample limits
	s390/cpum_sf: Avoid SBD overflow condition in irq handler
	IB/mlx4: Follow mirror sequence of device add during device removal
	xen-blkback: prevent premature module unload
	xen/balloon: fix ballooned page accounting without hotplug enabled
	PM / hibernate: memory_bm_find_bit(): Tighten node optimisation
	xfs: fix mount failure crash on invalid iclog memory access
	taskstats: fix data-race
	drm: limit to INT_MAX in create_blob ioctl
	Revert "perf report: Add warning when libunwind not compiled in"
	ALSA: ice1724: Fix sleep-in-atomic in Infrasonic Quartet support code
	MIPS: Avoid VDSO ABI breakage due to global register variable
	mm/zsmalloc.c: fix the migrated zspage statistics.
	memcg: account security cred as well to kmemcg
	locks: print unsigned ino in /proc/locks
	dmaengine: Fix access to uninitialized dma_slave_caps
	compat_ioctl: block: handle Persistent Reservations
	ata: libahci_platform: Export again ahci_platform_<en/dis>able_phys()
	ata: ahci_brcm: Allow optional reset controller to be used
	ata: ahci_brcm: Fix AHCI resources management
	gpiolib: fix up emulated open drain outputs
	tracing: Have the histogram compare functions convert to u64 first
	ALSA: cs4236: fix error return comparison of an unsigned integer
	ftrace: Avoid potential division by zero in function profiler
	arm64: Revert support for execute-only user mappings
	PM / devfreq: Check NULL governor in available_governors_show
	nfsd4: fix up replay_matches_cache()
	xfs: don't check for AG deadlock for realtime files in bunmapi
	Bluetooth: btusb: fix PM leak in error case of setup
	Bluetooth: delete a stray unlock
	Bluetooth: Fix memory leak in hci_connect_le_scan
	media: flexcop-usb: ensure -EIO is returned on error condition
	regulator: ab8500: Remove AB8505 USB regulator
	media: usb: fix memory leak in af9005_identify_state
	tty: serial: msm_serial: Fix lockup for sysrq and oops
	fix compat handling of FICLONERANGE, FIDEDUPERANGE and FS_IOC_FIEMAP
	drm/mst: Fix MST sideband up-reply failure handling
	powerpc/pseries/hvconsole: Fix stack overread via udbg
	rxrpc: Fix possible NULL pointer access in ICMP handling
	ath9k_htc: Modify byte order for an error message
	ath9k_htc: Discard undersized packets
	net: add annotations on hh->hh_len lockless accesses
	s390/smp: fix physical to logical CPU map for SMT
	xen/blkback: Avoid unmapping unmapped grant pages
	locking/x86: Remove the unused atomic_inc_short() methd
	pstore/ram: Write new dumps to start of recycled zones
	locking/spinlock/debug: Fix various data races
	netfilter: ctnetlink: netns exit must wait for callbacks
	efi/gop: Return EFI_NOT_FOUND if there are no usable GOPs
	efi/gop: Return EFI_SUCCESS if a usable GOP was found
	efi/gop: Fix memory leak in __gop_query32/64()
	ARM: vexpress: Set-up shared OPP table instead of individual for each CPU
	netfilter: uapi: Avoid undefined left-shift in xt_sctp.h
	spi: spi-cavium-thunderx: Add missing pci_release_regions()
	ARM: dts: am437x-gp/epos-evm: fix panel compatible
	samples: bpf: Replace symbol compare of trace_event
	powerpc: Ensure that swiotlb buffer is allocated from low memory
	bnx2x: Do not handle requests from VFs after parity
	bnx2x: Fix logic to get total no. of PFs per engine
	net: usb: lan78xx: Fix error message format specifier
	rfkill: Fix incorrect check to avoid NULL pointer dereference
	ASoC: wm8962: fix lambda value
	regulator: rn5t618: fix module aliases
	kconfig: don't crash on NULL expressions in expr_eq()
	perf/x86/intel: Fix PT PMI handling
	net: stmmac: RX buffer size must be 16 byte aligned
	block: fix memleak when __blk_rq_map_user_iov() is failed
	parisc: Fix compiler warnings in debug_core.c
	llc2: Fix return statement of llc_stat_ev_rx_null_dsap_xid_c (and _test_c)
	macvlan: do not assume mac_header is set in macvlan_broadcast()
	net: stmmac: dwmac-sunxi: Allow all RGMII modes
	net: usb: lan78xx: fix possible skb leak
	pkt_sched: fq: do not accept silly TCA_FQ_QUANTUM
	sctp: free cmd->obj.chunk for the unprocessed SCTP_CMD_REPLY
	tcp: fix "old stuff" D-SACK causing SACK to be treated as D-SACK
	vxlan: fix tos value before xmit
	vlan: vlan_changelink() should propagate errors
	net: sch_prio: When ungrafting, replace with FIFO
	vlan: fix memory leak in vlan_dev_set_egress_priority
	USB: core: fix check for duplicate endpoints
	USB: serial: option: add Telit ME910G1 0x110a composition
	Linux 4.9.209

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I37562d713bddce2ead7934800c3f9e231884c43f
This commit is contained in:
Greg Kroah-Hartman 2020-01-12 12:14:52 +01:00
commit c830063283
99 changed files with 655 additions and 348 deletions

View file

@ -1,6 +1,6 @@
VERSION = 4
PATCHLEVEL = 9
SUBLEVEL = 208
SUBLEVEL = 209
EXTRAVERSION =
NAME = Roaring Lionus

View file

@ -79,7 +79,7 @@
};
lcd0: display {
compatible = "osddisplays,osd057T0559-34ts", "panel-dpi";
compatible = "osddisplays,osd070t1718-19ts", "panel-dpi";
label = "lcd";
panel-timing {

View file

@ -41,7 +41,7 @@
};
lcd0: display {
compatible = "osddisplays,osd057T0559-34ts", "panel-dpi";
compatible = "osddisplays,osd070t1718-19ts", "panel-dpi";
label = "lcd";
panel-timing {

View file

@ -555,8 +555,9 @@ static struct clk *ve_spc_clk_register(struct device *cpu_dev)
static int __init ve_spc_clk_init(void)
{
int cpu;
int cpu, cluster;
struct clk *clk;
bool init_opp_table[MAX_CLUSTERS] = { false };
if (!info)
return 0; /* Continue only if SPC is initialised */
@ -582,8 +583,17 @@ static int __init ve_spc_clk_init(void)
continue;
}
cluster = topology_physical_package_id(cpu_dev->id);
if (init_opp_table[cluster])
continue;
if (ve_init_opp_table(cpu_dev))
pr_warn("failed to initialise cpu%d opp table\n", cpu);
else if (dev_pm_opp_set_sharing_cpus(cpu_dev,
topology_core_cpumask(cpu_dev->id)))
pr_warn("failed to mark OPPs shared for cpu%d\n", cpu);
else
init_opp_table[cluster] = true;
}
platform_device_register_simple("vexpress-spc-cpufreq", -1, NULL, 0);

View file

@ -77,13 +77,12 @@
#define PAGE_COPY_EXEC __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG | PTE_PXN)
#define PAGE_READONLY __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG | PTE_PXN | PTE_UXN)
#define PAGE_READONLY_EXEC __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG | PTE_PXN)
#define PAGE_EXECONLY __pgprot(_PAGE_DEFAULT | PTE_NG | PTE_PXN)
#define __P000 PAGE_NONE
#define __P001 PAGE_READONLY
#define __P010 PAGE_COPY
#define __P011 PAGE_COPY
#define __P100 PAGE_EXECONLY
#define __P100 PAGE_READONLY_EXEC
#define __P101 PAGE_READONLY_EXEC
#define __P110 PAGE_COPY_EXEC
#define __P111 PAGE_COPY_EXEC
@ -92,7 +91,7 @@
#define __S001 PAGE_READONLY
#define __S010 PAGE_SHARED
#define __S011 PAGE_SHARED
#define __S100 PAGE_EXECONLY
#define __S100 PAGE_READONLY_EXEC
#define __S101 PAGE_READONLY_EXEC
#define __S110 PAGE_SHARED_EXEC
#define __S111 PAGE_SHARED_EXEC

View file

@ -83,12 +83,8 @@ extern unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)];
#define pte_dirty(pte) (pte_sw_dirty(pte) || pte_hw_dirty(pte))
#define pte_valid(pte) (!!(pte_val(pte) & PTE_VALID))
/*
* Execute-only user mappings do not have the PTE_USER bit set. All valid
* kernel mappings have the PTE_UXN bit set.
*/
#define pte_valid_not_user(pte) \
((pte_val(pte) & (PTE_VALID | PTE_USER | PTE_UXN)) == (PTE_VALID | PTE_UXN))
((pte_val(pte) & (PTE_VALID | PTE_USER)) == PTE_VALID)
#define pte_valid_young(pte) \
((pte_val(pte) & (PTE_VALID | PTE_AF)) == (PTE_VALID | PTE_AF))
#define pte_valid_user(pte) \
@ -104,8 +100,8 @@ extern unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)];
/*
* p??_access_permitted() is true for valid user mappings (subject to the
* write permission check) other than user execute-only which do not have the
* PTE_USER bit set. PROT_NONE mappings do not have the PTE_VALID bit set.
* write permission check). PROT_NONE mappings do not have the PTE_VALID bit
* set.
*/
#define pte_access_permitted(pte, write) \
(pte_valid_user(pte) && (!(write) || pte_write(pte)))

View file

@ -325,7 +325,7 @@ static int __kprobes do_page_fault(unsigned long addr, unsigned int esr,
struct task_struct *tsk;
struct mm_struct *mm;
int fault, sig, code;
unsigned long vm_flags = VM_READ | VM_WRITE;
unsigned long vm_flags = VM_READ | VM_WRITE | VM_EXEC;
unsigned int mm_flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE;
if (notify_page_fault(regs, esr))

View file

@ -52,8 +52,26 @@ struct thread_info {
#define init_thread_info (init_thread_union.thread_info)
#define init_stack (init_thread_union.stack)
/* How to get the thread information struct from C. */
/*
* A pointer to the struct thread_info for the currently executing thread is
* held in register $28/$gp.
*
* We declare __current_thread_info as a global register variable rather than a
* local register variable within current_thread_info() because clang doesn't
* support explicit local register variables.
*
* When building the VDSO we take care not to declare the global register
* variable because this causes GCC to not preserve the value of $28/$gp in
* functions that change its value (which is common in the PIC VDSO when
* accessing the GOT). Since the VDSO shouldn't be accessing
* __current_thread_info anyway we declare it extern in order to cause a link
* failure if it's referenced.
*/
#ifdef __VDSO__
extern struct thread_info *__current_thread_info;
#else
register struct thread_info *__current_thread_info __asm__("$28");
#endif
static inline struct thread_info *current_thread_info(void)
{

View file

@ -43,8 +43,14 @@ __xchg(unsigned long x, __volatile__ void *ptr, int size)
** if (((unsigned long)p & 0xf) == 0)
** return __ldcw(p);
*/
#define xchg(ptr, x) \
((__typeof__(*(ptr)))__xchg((unsigned long)(x), (ptr), sizeof(*(ptr))))
#define xchg(ptr, x) \
({ \
__typeof__(*(ptr)) __ret; \
__typeof__(*(ptr)) _x_ = (x); \
__ret = (__typeof__(*(ptr))) \
__xchg((unsigned long)_x_, (ptr), sizeof(*(ptr))); \
__ret; \
})
/* bug catcher for when unsupported size is used - won't link */
extern void __cmpxchg_called_with_bad_pointer(void);

View file

@ -345,6 +345,14 @@ void __init mem_init(void)
BUILD_BUG_ON(MMU_PAGE_COUNT > 16);
#ifdef CONFIG_SWIOTLB
/*
* Some platforms (e.g. 85xx) limit DMA-able memory way below
* 4G. We force memblock to bottom-up mode to ensure that the
* memory allocated in swiotlb_init() is DMA-able.
* As it's the last memblock allocation, no need to reset it
* back to to-down.
*/
memblock_set_bottom_up(true);
swiotlb_init(0);
#endif

View file

@ -62,7 +62,7 @@ EXPORT_SYMBOL(hvc_get_chars);
* @vtermno: The vtermno or unit_address of the adapter from which the data
* originated.
* @buf: The character buffer that contains the character data to send to
* firmware.
* firmware. Must be at least 16 bytes, even if count is less than 16.
* @count: Send this number of characters.
*/
int hvc_put_chars(uint32_t vtermno, const char *buf, int count)

View file

@ -1295,18 +1295,28 @@ static void hw_perf_event_update(struct perf_event *event, int flush_all)
*/
if (flush_all && done)
break;
/* If an event overflow happened, discard samples by
* processing any remaining sample-data-blocks.
*/
if (event_overflow)
flush_all = 1;
}
/* Account sample overflows in the event hardware structure */
if (sampl_overflow)
OVERFLOW_REG(hwc) = DIV_ROUND_UP(OVERFLOW_REG(hwc) +
sampl_overflow, 1 + num_sdb);
/* Perf_event_overflow() and perf_event_account_interrupt() limit
* the interrupt rate to an upper limit. Roughly 1000 samples per
* task tick.
* Hitting this limit results in a large number
* of throttled REF_REPORT_THROTTLE entries and the samples
* are dropped.
* Slightly increase the interval to avoid hitting this limit.
*/
if (event_overflow) {
SAMPL_RATE(hwc) += DIV_ROUND_UP(SAMPL_RATE(hwc), 10);
debug_sprintf_event(sfdbg, 1, "%s: rate adjustment %ld\n",
__func__,
DIV_ROUND_UP(SAMPL_RATE(hwc), 10));
}
if (sampl_overflow || event_overflow)
debug_sprintf_event(sfdbg, 4, "hw_perf_event_update: "
"overflow stats: sample=%llu event=%llu\n",

View file

@ -691,39 +691,67 @@ static struct sclp_core_info *smp_get_core_info(void)
static int smp_add_present_cpu(int cpu);
static int __smp_rescan_cpus(struct sclp_core_info *info, int sysfs_add)
static int smp_add_core(struct sclp_core_entry *core, cpumask_t *avail,
bool configured, bool early)
{
struct pcpu *pcpu;
cpumask_t avail;
int cpu, nr, i, j;
int cpu, nr, i;
u16 address;
nr = 0;
cpumask_xor(&avail, cpu_possible_mask, cpu_present_mask);
cpu = cpumask_first(&avail);
for (i = 0; (i < info->combined) && (cpu < nr_cpu_ids); i++) {
if (sclp.has_core_type && info->core[i].type != boot_core_type)
if (sclp.has_core_type && core->type != boot_core_type)
return nr;
cpu = cpumask_first(avail);
address = core->core_id << smp_cpu_mt_shift;
for (i = 0; (i <= smp_cpu_mtid) && (cpu < nr_cpu_ids); i++) {
if (pcpu_find_address(cpu_present_mask, address + i))
continue;
address = info->core[i].core_id << smp_cpu_mt_shift;
for (j = 0; j <= smp_cpu_mtid; j++) {
if (pcpu_find_address(cpu_present_mask, address + j))
continue;
pcpu = pcpu_devices + cpu;
pcpu->address = address + j;
pcpu->state =
(cpu >= info->configured*(smp_cpu_mtid + 1)) ?
CPU_STATE_STANDBY : CPU_STATE_CONFIGURED;
smp_cpu_set_polarization(cpu, POLARIZATION_UNKNOWN);
set_cpu_present(cpu, true);
if (sysfs_add && smp_add_present_cpu(cpu) != 0)
set_cpu_present(cpu, false);
else
nr++;
cpu = cpumask_next(cpu, &avail);
if (cpu >= nr_cpu_ids)
pcpu = pcpu_devices + cpu;
pcpu->address = address + i;
if (configured)
pcpu->state = CPU_STATE_CONFIGURED;
else
pcpu->state = CPU_STATE_STANDBY;
smp_cpu_set_polarization(cpu, POLARIZATION_UNKNOWN);
set_cpu_present(cpu, true);
if (!early && smp_add_present_cpu(cpu) != 0)
set_cpu_present(cpu, false);
else
nr++;
cpumask_clear_cpu(cpu, avail);
cpu = cpumask_next(cpu, avail);
}
return nr;
}
static int __smp_rescan_cpus(struct sclp_core_info *info, bool early)
{
struct sclp_core_entry *core;
cpumask_t avail;
bool configured;
u16 core_id;
int nr, i;
nr = 0;
cpumask_xor(&avail, cpu_possible_mask, cpu_present_mask);
/*
* Add IPL core first (which got logical CPU number 0) to make sure
* that all SMT threads get subsequent logical CPU numbers.
*/
if (early) {
core_id = pcpu_devices[0].address >> smp_cpu_mt_shift;
for (i = 0; i < info->configured; i++) {
core = &info->core[i];
if (core->core_id == core_id) {
nr += smp_add_core(core, &avail, true, early);
break;
}
}
}
for (i = 0; i < info->combined; i++) {
configured = i < info->configured;
nr += smp_add_core(&info->core[i], &avail, configured, early);
}
return nr;
}
@ -771,7 +799,7 @@ static void __init smp_detect_cpus(void)
/* Add CPUs present at boot */
get_online_cpus();
__smp_rescan_cpus(info, 0);
__smp_rescan_cpus(info, true);
put_online_cpus();
kfree(info);
}
@ -1127,7 +1155,7 @@ int __ref smp_rescan_cpus(void)
return -ENOMEM;
get_online_cpus();
mutex_lock(&smp_cpu_state_mutex);
nr = __smp_rescan_cpus(info, 1);
nr = __smp_rescan_cpus(info, false);
mutex_unlock(&smp_cpu_state_mutex);
put_online_cpus();
kfree(info);

View file

@ -24,8 +24,7 @@
* has an opportunity to return -EFAULT to the user if needed.
* The 64-bit routines just return a "long long" with the value,
* since they are only used from kernel space and don't expect to fault.
* Support for 16-bit ops is included in the framework but we don't provide
* any (x86_64 has an atomic_inc_short(), so we might want to some day).
* Support for 16-bit ops is included in the framework but we don't provide any.
*
* Note that the caller is advised to issue a suitable L1 or L2
* prefetch on the address being manipulated to avoid extra stalls.

View file

@ -374,7 +374,7 @@ int x86_add_exclusive(unsigned int what)
* LBR and BTS are still mutually exclusive.
*/
if (x86_pmu.lbr_pt_coexist && what == x86_lbr_exclusive_pt)
return 0;
goto out;
if (!atomic_inc_not_zero(&x86_pmu.lbr_exclusive[what])) {
mutex_lock(&pmc_reserve_mutex);
@ -386,6 +386,7 @@ int x86_add_exclusive(unsigned int what)
mutex_unlock(&pmc_reserve_mutex);
}
out:
atomic_inc(&active_events);
return 0;
@ -396,11 +397,15 @@ fail_unlock:
void x86_del_exclusive(unsigned int what)
{
atomic_dec(&active_events);
/*
* See the comment in x86_add_exclusive().
*/
if (x86_pmu.lbr_pt_coexist && what == x86_lbr_exclusive_pt)
return;
atomic_dec(&x86_pmu.lbr_exclusive[what]);
atomic_dec(&active_events);
}
int x86_setup_perfctr(struct perf_event *event)

View file

@ -249,19 +249,6 @@ static __always_inline int __atomic_add_unless(atomic_t *v, int a, int u)
return c;
}
/**
* atomic_inc_short - increment of a short integer
* @v: pointer to type int
*
* Atomically adds 1 to @v
* Returns the new value of @u
*/
static __always_inline short int atomic_inc_short(short int *v)
{
asm(LOCK_PREFIX "addw $1, %0" : "+m" (*v));
return *v;
}
#ifdef CONFIG_X86_32
# include <asm/atomic64_32.h>
#else

View file

@ -142,7 +142,7 @@ int blk_rq_map_user_iov(struct request_queue *q, struct request *rq,
return 0;
unmap_rq:
__blk_rq_unmap_user(bio);
blk_rq_unmap_user(bio);
fail:
rq->bio = NULL;
return ret;

View file

@ -5,6 +5,7 @@
#include <linux/compat.h>
#include <linux/elevator.h>
#include <linux/hdreg.h>
#include <linux/pr.h>
#include <linux/slab.h>
#include <linux/syscalls.h>
#include <linux/types.h>
@ -406,6 +407,14 @@ long compat_blkdev_ioctl(struct file *file, unsigned cmd, unsigned long arg)
case BLKTRACETEARDOWN: /* compatible */
ret = blk_trace_ioctl(bdev, cmd, compat_ptr(arg));
return ret;
case IOC_PR_REGISTER:
case IOC_PR_RESERVE:
case IOC_PR_RELEASE:
case IOC_PR_PREEMPT:
case IOC_PR_PREEMPT_ABORT:
case IOC_PR_CLEAR:
return blkdev_ioctl(bdev, mode, cmd,
(unsigned long)compat_ptr(arg));
default:
if (disk->fops->compat_ioctl)
ret = disk->fops->compat_ioctl(bdev, mode, cmd, arg);

View file

@ -25,6 +25,7 @@
#include <linux/module.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/reset.h>
#include <linux/string.h>
#include "ahci.h"
@ -88,6 +89,7 @@ struct brcm_ahci_priv {
u32 port_mask;
u32 quirks;
enum brcm_ahci_version version;
struct reset_control *rcdev;
};
static const struct ata_port_info ahci_brcm_port_info = {
@ -226,19 +228,12 @@ static void brcm_sata_phys_disable(struct brcm_ahci_priv *priv)
brcm_sata_phy_disable(priv, i);
}
static u32 brcm_ahci_get_portmask(struct platform_device *pdev,
static u32 brcm_ahci_get_portmask(struct ahci_host_priv *hpriv,
struct brcm_ahci_priv *priv)
{
void __iomem *ahci;
struct resource *res;
u32 impl;
res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "ahci");
ahci = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(ahci))
return 0;
impl = readl(ahci + HOST_PORTS_IMPL);
impl = readl(hpriv->mmio + HOST_PORTS_IMPL);
if (fls(impl) > SATA_TOP_MAX_PHYS)
dev_warn(priv->dev, "warning: more ports than PHYs (%#x)\n",
@ -246,9 +241,6 @@ static u32 brcm_ahci_get_portmask(struct platform_device *pdev,
else if (!impl)
dev_info(priv->dev, "no ports found\n");
devm_iounmap(&pdev->dev, ahci);
devm_release_mem_region(&pdev->dev, res->start, resource_size(res));
return impl;
}
@ -275,11 +267,10 @@ static int brcm_ahci_suspend(struct device *dev)
struct ata_host *host = dev_get_drvdata(dev);
struct ahci_host_priv *hpriv = host->private_data;
struct brcm_ahci_priv *priv = hpriv->plat_data;
int ret;
ret = ahci_platform_suspend(dev);
brcm_sata_phys_disable(priv);
return ret;
return ahci_platform_suspend(dev);
}
static int brcm_ahci_resume(struct device *dev)
@ -287,11 +278,44 @@ static int brcm_ahci_resume(struct device *dev)
struct ata_host *host = dev_get_drvdata(dev);
struct ahci_host_priv *hpriv = host->private_data;
struct brcm_ahci_priv *priv = hpriv->plat_data;
int ret;
/* Make sure clocks are turned on before re-configuration */
ret = ahci_platform_enable_clks(hpriv);
if (ret)
return ret;
brcm_sata_init(priv);
brcm_sata_phys_enable(priv);
brcm_sata_alpm_init(hpriv);
return ahci_platform_resume(dev);
/* Since we had to enable clocks earlier on, we cannot use
* ahci_platform_resume() as-is since a second call to
* ahci_platform_enable_resources() would bump up the resources
* (regulators, clocks, PHYs) count artificially so we copy the part
* after ahci_platform_enable_resources().
*/
ret = ahci_platform_enable_phys(hpriv);
if (ret)
goto out_disable_phys;
ret = ahci_platform_resume_host(dev);
if (ret)
goto out_disable_platform_phys;
/* We resumed so update PM runtime state */
pm_runtime_disable(dev);
pm_runtime_set_active(dev);
pm_runtime_enable(dev);
return 0;
out_disable_platform_phys:
ahci_platform_disable_phys(hpriv);
out_disable_phys:
brcm_sata_phys_disable(priv);
ahci_platform_disable_clks(hpriv);
return ret;
}
#endif
@ -332,43 +356,73 @@ static int brcm_ahci_probe(struct platform_device *pdev)
if (IS_ERR(priv->top_ctrl))
return PTR_ERR(priv->top_ctrl);
/* Reset is optional depending on platform */
priv->rcdev = devm_reset_control_get(&pdev->dev, "ahci");
if (!IS_ERR_OR_NULL(priv->rcdev))
reset_control_deassert(priv->rcdev);
if ((priv->version == BRCM_SATA_BCM7425) ||
(priv->version == BRCM_SATA_NSP)) {
priv->quirks |= BRCM_AHCI_QUIRK_NO_NCQ;
priv->quirks |= BRCM_AHCI_QUIRK_SKIP_PHY_ENABLE;
}
hpriv = ahci_platform_get_resources(pdev);
if (IS_ERR(hpriv)) {
ret = PTR_ERR(hpriv);
goto out_reset;
}
ret = ahci_platform_enable_clks(hpriv);
if (ret)
goto out_reset;
/* Must be first so as to configure endianness including that
* of the standard AHCI register space.
*/
brcm_sata_init(priv);
priv->port_mask = brcm_ahci_get_portmask(pdev, priv);
if (!priv->port_mask)
return -ENODEV;
/* Initializes priv->port_mask which is used below */
priv->port_mask = brcm_ahci_get_portmask(hpriv, priv);
if (!priv->port_mask) {
ret = -ENODEV;
goto out_disable_clks;
}
/* Must be done before ahci_platform_enable_phys() */
brcm_sata_phys_enable(priv);
hpriv = ahci_platform_get_resources(pdev);
if (IS_ERR(hpriv))
return PTR_ERR(hpriv);
hpriv->plat_data = priv;
hpriv->flags = AHCI_HFLAG_WAKE_BEFORE_STOP;
brcm_sata_alpm_init(hpriv);
ret = ahci_platform_enable_resources(hpriv);
if (ret)
return ret;
if (priv->quirks & BRCM_AHCI_QUIRK_NO_NCQ)
hpriv->flags |= AHCI_HFLAG_NO_NCQ;
ret = ahci_platform_enable_phys(hpriv);
if (ret)
goto out_disable_phys;
ret = ahci_platform_init_host(pdev, hpriv, &ahci_brcm_port_info,
&ahci_platform_sht);
if (ret)
return ret;
goto out_disable_platform_phys;
dev_info(dev, "Broadcom AHCI SATA3 registered\n");
return 0;
out_disable_platform_phys:
ahci_platform_disable_phys(hpriv);
out_disable_phys:
brcm_sata_phys_disable(priv);
out_disable_clks:
ahci_platform_disable_clks(hpriv);
out_reset:
if (!IS_ERR_OR_NULL(priv->rcdev))
reset_control_assert(priv->rcdev);
return ret;
}
static int brcm_ahci_remove(struct platform_device *pdev)
@ -378,12 +432,12 @@ static int brcm_ahci_remove(struct platform_device *pdev)
struct brcm_ahci_priv *priv = hpriv->plat_data;
int ret;
brcm_sata_phys_disable(priv);
ret = ata_platform_remove_one(pdev);
if (ret)
return ret;
brcm_sata_phys_disable(priv);
return 0;
}

View file

@ -46,7 +46,7 @@ EXPORT_SYMBOL_GPL(ahci_platform_ops);
* RETURNS:
* 0 on success otherwise a negative error code
*/
static int ahci_platform_enable_phys(struct ahci_host_priv *hpriv)
int ahci_platform_enable_phys(struct ahci_host_priv *hpriv)
{
int rc, i;
@ -71,6 +71,7 @@ disable_phys:
}
return rc;
}
EXPORT_SYMBOL_GPL(ahci_platform_enable_phys);
/**
* ahci_platform_disable_phys - Disable PHYs
@ -78,7 +79,7 @@ disable_phys:
*
* This function disables all PHYs found in hpriv->phys.
*/
static void ahci_platform_disable_phys(struct ahci_host_priv *hpriv)
void ahci_platform_disable_phys(struct ahci_host_priv *hpriv)
{
int i;
@ -87,6 +88,7 @@ static void ahci_platform_disable_phys(struct ahci_host_priv *hpriv)
phy_exit(hpriv->phys[i]);
}
}
EXPORT_SYMBOL_GPL(ahci_platform_disable_phys);
/**
* ahci_platform_enable_clks - Enable platform clocks

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