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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-12-11 08:44:28 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-12-11 08:44:28 +0100
commit112345a4046838d97a2bd030a98297ff7e2c9f2d (patch)
tree271b0c1610366667328d6f9d4f1bfb839188904b /drivers/mmc/host/cqhci-core.c
parent522c35e08b53f157ad3e51848caa861b258001e4 (diff)
parenta39b6ac3781d46ba18193c9dbb2110f31e9bffe9 (diff)
Merge 6.7-rc5 into usb-next
We need the USB fixes in here as well to build off of. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/mmc/host/cqhci-core.c')
-rw-r--r--drivers/mmc/host/cqhci-core.c44
1 files changed, 22 insertions, 22 deletions
diff --git a/drivers/mmc/host/cqhci-core.c b/drivers/mmc/host/cqhci-core.c
index b3d7d6d8d654..41e94cd14109 100644
--- a/drivers/mmc/host/cqhci-core.c
+++ b/drivers/mmc/host/cqhci-core.c
@@ -942,8 +942,8 @@ static bool cqhci_clear_all_tasks(struct mmc_host *mmc, unsigned int timeout)
ret = cqhci_tasks_cleared(cq_host);
if (!ret)
- pr_debug("%s: cqhci: Failed to clear tasks\n",
- mmc_hostname(mmc));
+ pr_warn("%s: cqhci: Failed to clear tasks\n",
+ mmc_hostname(mmc));
return ret;
}
@@ -976,7 +976,7 @@ static bool cqhci_halt(struct mmc_host *mmc, unsigned int timeout)
ret = cqhci_halted(cq_host);
if (!ret)
- pr_debug("%s: cqhci: Failed to halt\n", mmc_hostname(mmc));
+ pr_warn("%s: cqhci: Failed to halt\n", mmc_hostname(mmc));
return ret;
}
@@ -984,10 +984,10 @@ static bool cqhci_halt(struct mmc_host *mmc, unsigned int timeout)
/*
* After halting we expect to be able to use the command line. We interpret the
* failure to halt to mean the data lines might still be in use (and the upper
- * layers will need to send a STOP command), so we set the timeout based on a
- * generous command timeout.
+ * layers will need to send a STOP command), however failing to halt complicates
+ * the recovery, so set a timeout that would reasonably allow I/O to complete.
*/
-#define CQHCI_START_HALT_TIMEOUT 5
+#define CQHCI_START_HALT_TIMEOUT 500
static void cqhci_recovery_start(struct mmc_host *mmc)
{
@@ -1075,28 +1075,28 @@ static void cqhci_recovery_finish(struct mmc_host *mmc)
ok = cqhci_halt(mmc, CQHCI_FINISH_HALT_TIMEOUT);
- if (!cqhci_clear_all_tasks(mmc, CQHCI_CLEAR_TIMEOUT))
- ok = false;
-
/*
* The specification contradicts itself, by saying that tasks cannot be
* cleared if CQHCI does not halt, but if CQHCI does not halt, it should
* be disabled/re-enabled, but not to disable before clearing tasks.
* Have a go anyway.
*/
- if (!ok) {
- pr_debug("%s: cqhci: disable / re-enable\n", mmc_hostname(mmc));
- cqcfg = cqhci_readl(cq_host, CQHCI_CFG);
- cqcfg &= ~CQHCI_ENABLE;
- cqhci_writel(cq_host, cqcfg, CQHCI_CFG);
- cqcfg |= CQHCI_ENABLE;
- cqhci_writel(cq_host, cqcfg, CQHCI_CFG);
- /* Be sure that there are no tasks */
- ok = cqhci_halt(mmc, CQHCI_FINISH_HALT_TIMEOUT);
- if (!cqhci_clear_all_tasks(mmc, CQHCI_CLEAR_TIMEOUT))
- ok = false;
- WARN_ON(!ok);
- }
+ if (!cqhci_clear_all_tasks(mmc, CQHCI_CLEAR_TIMEOUT))
+ ok = false;
+
+ /* Disable to make sure tasks really are cleared */
+ cqcfg = cqhci_readl(cq_host, CQHCI_CFG);
+ cqcfg &= ~CQHCI_ENABLE;
+ cqhci_writel(cq_host, cqcfg, CQHCI_CFG);
+
+ cqcfg = cqhci_readl(cq_host, CQHCI_CFG);
+ cqcfg |= CQHCI_ENABLE;
+ cqhci_writel(cq_host, cqcfg, CQHCI_CFG);
+
+ cqhci_halt(mmc, CQHCI_FINISH_HALT_TIMEOUT);
+
+ if (!ok)
+ cqhci_clear_all_tasks(mmc, CQHCI_CLEAR_TIMEOUT);
cqhci_recover_mrqs(cq_host);