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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:13:35 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:13:35 +0000
commitf80f1c6274f537f89d9e809541b10a96c435a8a9 (patch)
tree813e19375c7badb0388bcc54e8afce818114fe5f /drivers/mmc/host/sdhci.c
parentAdding debian version 6.9.7-1. (diff)
downloadlinux-f80f1c6274f537f89d9e809541b10a96c435a8a9.tar.xz
linux-f80f1c6274f537f89d9e809541b10a96c435a8a9.zip
Merging upstream version 6.9.8.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/mmc/host/sdhci.c')
-rw-r--r--drivers/mmc/host/sdhci.c25
1 files changed, 14 insertions, 11 deletions
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 746f4cf7ab..112584aa07 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -2515,26 +2515,29 @@ EXPORT_SYMBOL_GPL(sdhci_get_cd_nogpio);
static int sdhci_check_ro(struct sdhci_host *host)
{
- unsigned long flags;
+ bool allow_invert = false;
int is_readonly;
- spin_lock_irqsave(&host->lock, flags);
-
- if (host->flags & SDHCI_DEVICE_DEAD)
+ if (host->flags & SDHCI_DEVICE_DEAD) {
is_readonly = 0;
- else if (host->ops->get_ro)
+ } else if (host->ops->get_ro) {
is_readonly = host->ops->get_ro(host);
- else if (mmc_can_gpio_ro(host->mmc))
+ } else if (mmc_can_gpio_ro(host->mmc)) {
is_readonly = mmc_gpio_get_ro(host->mmc);
- else
+ /* Do not invert twice */
+ allow_invert = !(host->mmc->caps2 & MMC_CAP2_RO_ACTIVE_HIGH);
+ } else {
is_readonly = !(sdhci_readl(host, SDHCI_PRESENT_STATE)
& SDHCI_WRITE_PROTECT);
+ allow_invert = true;
+ }
- spin_unlock_irqrestore(&host->lock, flags);
+ if (is_readonly >= 0 &&
+ allow_invert &&
+ (host->quirks & SDHCI_QUIRK_INVERTED_WRITE_PROTECT))
+ is_readonly = !is_readonly;
- /* This quirk needs to be replaced by a callback-function later */
- return host->quirks & SDHCI_QUIRK_INVERTED_WRITE_PROTECT ?
- !is_readonly : is_readonly;
+ return is_readonly;
}
#define SAMPLE_COUNT 5