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authorSrinivasarao P <spathi@codeaurora.org>2018-05-03 15:52:09 +0530
committerSrinivasarao P <spathi@codeaurora.org>2018-05-03 15:53:14 +0530
commit028ce831e8f14cc94f14929f1a91d198ea2d9b93 (patch)
tree3bdf83abba72235d3d0c5e2abe9050148165b647 /drivers/mtd
parent6abf20ea977041d95f25f0c2932a91488da1728d (diff)
parentd5d65269652b869234a6e34cf1d0ca2c6d4c9b3d (diff)
Merge android-4.4.131 (d5d6526) into msm-4.4
* refs/heads/tmp-d5d6526 Linux 4.4.131 serial: mctrl_gpio: Add missing module license serial: mctrl_gpio: export mctrl_gpio_disable_ms and mctrl_gpio_init x86/smpboot: Don't use mwait_play_dead() on AMD systems x86/ipc: Fix x32 version of shmid64_ds and msqid64_ds libceph: validate con->state at the top of try_write() ASoC: fsl_esai: Fix divisor calculation failure at lower ratio ARM: amba: Don't read past the end of sysfs "driver_override" buffer ARM: amba: Fix race condition with driver_override ARM: amba: Make driver_override output consistent with other buses scsi: sd: Defer spinning up drive while SANITIZE is in progress kobject: don't use WARN for registration failures mtd: cfi: cmdset_0002: Do not allow read/write to suspend erase block. mtd: cfi: cmdset_0001: Workaround Micron Erase suspend bug. mtd: cfi: cmdset_0001: Do not allow read/write to suspend erase block. ALSA: hda/realtek - Add some fixes for ALC233 ALSA: hda: Hardening for potential Spectre v1 ALSA: seq: oss: Hardening for potential Spectre v1 ALSA: seq: oss: Fix unbalanced use lock for synth MIDI device ALSA: core: Report audio_tstamp in snd_pcm_sync_ptr ALSA: control: Hardening for potential Spectre v1 ALSA: rme9652: Hardening for potential Spectre v1 ALSA: hdspm: Hardening for potential Spectre v1 ALSA: asihpi: Hardening for potential Spectre v1 ALSA: opl3: Hardening for potential Spectre v1 tty: Use __GFP_NOFAIL for tty_ldisc_get() tty: n_gsm: Fix DLCI handling for ADM mode if debug & 2 is not set tty: n_gsm: Fix long delays with control frame timeouts in ADM mode tty: Don't call panic() at tty_ldisc_init() drm/virtio: fix vq wait_event condition virtio_console: free buffers after reset virtio: add ability to iterate over vqs ALSA: usb-audio: Skip broken EU on Dell dock USB-audio USB: Increment wakeup count on remote wakeup. usb: core: Add quirk for HP v222w 16GB Mini USB: serial: cp210x: add ID for NI USB serial console USB: serial: ftdi_sio: use jtag quirk for Arrow USB Blaster USB: serial: simple: add libtransistor console usbip: vhci_hcd: Fix usb device and sockfd leaks usbip: usbip_host: fix to hold parent lock for device_attach() calls ext4: fix bitmap position validation ext4: add validity checks for bitmap block numbers ext4: set h_journal if there is a failure starting a reserved handle ext4: prevent right-shifting extents beyond EXT_MAX_BLOCKS goldfish: pipe: ANDROID: Allocate memory with GFP_KERNEL. goldfish: pipe: ANDROID: Do not crash goldfish: pipe: ANDROID: remove redundant casting goldfish: pipe: ANDROID: Add 'pipe' to pipe functions goldfish: pipe: ANDROID: fix whitespace goldfish: pipe: ANDROID: rename global variables goldfish: pipe: ANDROID: remove a redundant target goldfish: pipe: ANDROID: add blank lines goldfish: pipe: ANDROID: replace 'BUG_ON' with 'BUILD_BUG_ON' goldfish: pipe: ANDROID: use the 'BIT' macro for wakeup flags goldfish: pipe: ANDROID: fix logging format strings Linux 4.4.130 s390/uprobes: implement arch_uretprobe_is_alive() s390/cio: update chpid descriptor after resource accessibility event cdrom: information leak in cdrom_ioctl_media_changed() scsi: mptsas: Disable WRITE SAME ipv6: add RTA_TABLE and RTA_PREFSRC to rtm_ipv6_policy net: af_packet: fix race in PACKET_{R|T}X_RING tcp: md5: reject TCP_MD5SIG or TCP_MD5SIG_EXT on established sockets net: fix deadlock while clearing neighbor proxy table tipc: add policy for TIPC_NLA_NET_ADDR llc: fix NULL pointer deref for SOCK_ZAPPED llc: hold llc_sap before release_sock() sctp: do not check port in sctp_inet6_cmp_addr vlan: Fix reading memory beyond skb->tail in skb_vlan_tagged_multi pppoe: check sockaddr length in pppoe_connect() packet: fix bitfield update race team: fix netconsole setup over team team: avoid adding twice the same option to the event list tcp: don't read out-of-bounds opsize llc: delete timers synchronously in llc_sk_free() net: validate attribute sizes in neigh_dump_table() l2tp: check sockaddr length in pppol2tp_connect() KEYS: DNS: limit the length of option strings bonding: do not set slave_dev npinfo before slave_enable_netpoll in bond_enslave s390: correct module section names for expoline code revert s390: correct nospec auto detection init order s390: add sysfs attributes for spectre s390: report spectre mitigation via syslog s390: add automatic detection of the spectre defense s390: move nobp parameter functions to nospec-branch.c s390/entry.S: fix spurious zeroing of r0 s390: do not bypass BPENTER for interrupt system calls s390: Replace IS_ENABLED(EXPOLINE_*) with IS_ENABLED(CONFIG_EXPOLINE_*) s390: introduce execute-trampolines for branches s390: run user space and KVM guests with modified branch prediction s390: add options to change branch prediction behaviour for the kernel s390/alternative: use a copy of the facility bit mask s390: add optimized array_index_mask_nospec s390: scrub registers on kernel entry and KVM exit KVM: s390: wire up bpb feature s390: enable CPU alternatives unconditionally s390: introduce CPU alternatives Revert "ath10k: send (re)assoc peer command when NSS changed" jbd2: fix use after free in kjournald2() ath9k_hw: check if the chip failed to wake up Input: drv260x - fix initializing overdrive voltage r8152: add Linksys USB3GIGV1 id staging: ion : Donnot wakeup kswapd in ion system alloc perf: Return proper values for user stack errors x86/tsc: Prevent 32bit truncation in calc_hpet_ref() cifs: do not allow creating sockets except with SMB1 posix exensions UPSTREAM: tracing: always define trace_{irq,preempt}_{enable_disable} ANDROID: staging: ion: Obey kptr_restrict ANDROID: sdcardfs: Set s_root to NULL after putting ANDROID: sdcardfs: d_make_root calls iput ANDROID: sdcardfs: Check for private data earlier Conflicts: drivers/staging/android/ion/ion.c drivers/staging/android/ion/ion_cma_heap.c drivers/staging/android/ion/ion_system_heap.c Change-Id: I8155103b3787bb800f85291cc7378a8e29a8436f Signed-off-by: Srinivasarao P <spathi@codeaurora.org>
Diffstat (limited to 'drivers/mtd')
-rw-r--r--drivers/mtd/chips/cfi_cmdset_0001.c33
-rw-r--r--drivers/mtd/chips/cfi_cmdset_0002.c9
2 files changed, 34 insertions, 8 deletions
diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c
index 286b97a304cf..4509ee0b294a 100644
--- a/drivers/mtd/chips/cfi_cmdset_0001.c
+++ b/drivers/mtd/chips/cfi_cmdset_0001.c
@@ -45,6 +45,7 @@
#define I82802AB 0x00ad
#define I82802AC 0x00ac
#define PF38F4476 0x881c
+#define M28F00AP30 0x8963
/* STMicroelectronics chips */
#define M50LPW080 0x002F
#define M50FLW080A 0x0080
@@ -375,6 +376,17 @@ static void cfi_fixup_major_minor(struct cfi_private *cfi,
extp->MinorVersion = '1';
}
+static int cfi_is_micron_28F00AP30(struct cfi_private *cfi, struct flchip *chip)
+{
+ /*
+ * Micron(was Numonyx) 1Gbit bottom boot are buggy w.r.t
+ * Erase Supend for their small Erase Blocks(0x8000)
+ */
+ if (cfi->mfr == CFI_MFR_INTEL && cfi->id == M28F00AP30)
+ return 1;
+ return 0;
+}
+
static inline struct cfi_pri_intelext *
read_pri_intelext(struct map_info *map, __u16 adr)
{
@@ -825,21 +837,30 @@ static int chip_ready (struct map_info *map, struct flchip *chip, unsigned long
(mode == FL_WRITING && (cfip->SuspendCmdSupport & 1))))
goto sleep;
+ /* Do not allow suspend iff read/write to EB address */
+ if ((adr & chip->in_progress_block_mask) ==
+ chip->in_progress_block_addr)
+ goto sleep;
+
+ /* do not suspend small EBs, buggy Micron Chips */
+ if (cfi_is_micron_28F00AP30(cfi, chip) &&
+ (chip->in_progress_block_mask == ~(0x8000-1)))
+ goto sleep;
/* Erase suspend */
- map_write(map, CMD(0xB0), adr);
+ map_write(map, CMD(0xB0), chip->in_progress_block_addr);
/* If the flash has finished erasing, then 'erase suspend'
* appears to make some (28F320) flash devices switch to
* 'read' mode. Make sure that we switch to 'read status'
* mode so we get the right data. --rmk
*/
- map_write(map, CMD(0x70), adr);
+ map_write(map, CMD(0x70), chip->in_progress_block_addr);
chip->oldstate = FL_ERASING;
chip->state = FL_ERASE_SUSPENDING;
chip->erase_suspended = 1;
for (;;) {
- status = map_read(map, adr);
+ status = map_read(map, chip->in_progress_block_addr);
if (map_word_andequal(map, status, status_OK, status_OK))
break;
@@ -1035,8 +1056,8 @@ static void put_chip(struct map_info *map, struct flchip *chip, unsigned long ad
sending the 0x70 (Read Status) command to an erasing
chip and expecting it to be ignored, that's what we
do. */
- map_write(map, CMD(0xd0), adr);
- map_write(map, CMD(0x70), adr);
+ map_write(map, CMD(0xd0), chip->in_progress_block_addr);
+ map_write(map, CMD(0x70), chip->in_progress_block_addr);
chip->oldstate = FL_READY;
chip->state = FL_ERASING;
break;
@@ -1927,6 +1948,8 @@ static int __xipram do_erase_oneblock(struct map_info *map, struct flchip *chip,
map_write(map, CMD(0xD0), adr);
chip->state = FL_ERASING;
chip->erase_suspended = 0;
+ chip->in_progress_block_addr = adr;
+ chip->in_progress_block_mask = ~(len - 1);
ret = INVAL_CACHE_AND_WAIT(map, chip, adr,
adr, len,
diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c
index c3624eb571d1..31448a2b39ae 100644
--- a/drivers/mtd/chips/cfi_cmdset_0002.c
+++ b/drivers/mtd/chips/cfi_cmdset_0002.c
@@ -814,9 +814,10 @@ static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr
(mode == FL_WRITING && (cfip->EraseSuspend & 0x2))))
goto sleep;
- /* We could check to see if we're trying to access the sector
- * that is currently being erased. However, no user will try
- * anything like that so we just wait for the timeout. */
+ /* Do not allow suspend iff read/write to EB address */
+ if ((adr & chip->in_progress_block_mask) ==
+ chip->in_progress_block_addr)
+ goto sleep;
/* Erase suspend */
/* It's harmless to issue the Erase-Suspend and Erase-Resume
@@ -2265,6 +2266,7 @@ static int __xipram do_erase_chip(struct map_info *map, struct flchip *chip)
chip->state = FL_ERASING;
chip->erase_suspended = 0;
chip->in_progress_block_addr = adr;
+ chip->in_progress_block_mask = ~(map->size - 1);
INVALIDATE_CACHE_UDELAY(map, chip,
adr, map->size,
@@ -2354,6 +2356,7 @@ static int __xipram do_erase_oneblock(struct map_info *map, struct flchip *chip,
chip->state = FL_ERASING;
chip->erase_suspended = 0;
chip->in_progress_block_addr = adr;
+ chip->in_progress_block_mask = ~(len - 1);
INVALIDATE_CACHE_UDELAY(map, chip,
adr, len,