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MEMSTICK core:

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- Fix deadlock when removing the host
 
 MMC host:
  - sdhci-pci: Workaround broken CMDQ on Intel GLK based IRBIS models
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Merge tag 'mmc-v5.9-rc4-3' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc

Pull MMC fixes from Ulf Hansson:

 - Fix deadlock when removing MEMSTICK host

 - Workaround broken CMDQ on Intel GLK based IRBIS models

* tag 'mmc-v5.9-rc4-3' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
  mmc: sdhci: Workaround broken command queuing on Intel GLK based IRBIS models
  memstick: Skip allocating card when removing host
This commit is contained in:
Linus Torvalds 2020-10-02 09:40:09 -07:00
commit 2270b890bc
3 changed files with 7 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/memstick/core/memstick.c
View File

@ -441,6 +441,9 @@ static void memstick_check(struct work_struct *work)
} else if (host->card->stop)
host->card->stop(host->card);
if (host->removing)
goto out_power_off;
card = memstick_alloc_card(host);
if (!card) {
@ -545,6 +548,7 @@ EXPORT_SYMBOL(memstick_add_host);
*/
void memstick_remove_host(struct memstick_host *host)
{
host->removing = 1;
flush_workqueue(workqueue);
mutex_lock(&host->lock);
if (host->card)

3
drivers/mmc/host/sdhci-pci-core.c
View File

@ -794,7 +794,8 @@ static int byt_emmc_probe_slot(struct sdhci_pci_slot *slot)
static bool glk_broken_cqhci(struct sdhci_pci_slot *slot)
{
return slot->chip->pdev->device == PCI_DEVICE_ID_INTEL_GLK_EMMC &&
dmi_match(DMI_BIOS_VENDOR, "LENOVO");
(dmi_match(DMI_BIOS_VENDOR, "LENOVO") ||
dmi_match(DMI_SYS_VENDOR, "IRBIS"));
}
static int glk_emmc_probe_slot(struct sdhci_pci_slot *slot)

1
include/linux/memstick.h
View File

@ -281,6 +281,7 @@ struct memstick_host {
struct memstick_dev *card;
unsigned int retries;
bool removing;
/* Notify the host that some requests are pending. */
void (*request)(struct memstick_host *host);