diff options
| author | Paolo Bonzini <[email protected]> | 2024-07-12 11:24:12 -0400 |
|---|---|---|
| committer | Paolo Bonzini <[email protected]> | 2024-07-12 11:24:12 -0400 |
| commit | c8b8b8190a80b591aa73c27c70a668799f8db547 (patch) | |
| tree | 9d948c9aac89678abe64ac81f6c43348bf4b2091 /drivers/mmc/host/sdhci.c | |
| parent | f0a23883fad4ec8a63faddb9639a92be2e007624 (diff) | |
| parent | 492ac37fa38faf520b5beae44c930063265ee183 (diff) | |
Merge tag 'loongarch-kvm-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson into HEAD
LoongArch KVM changes for v6.11
1. Add ParaVirt steal time support.
2. Add some VM migration enhancement.
3. Add perf kvm-stat support for loongarch.
Diffstat (limited to 'drivers/mmc/host/sdhci.c')
| -rw-r--r-- | drivers/mmc/host/sdhci.c | 25 |
1 files changed, 14 insertions, 11 deletions
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 746f4cf7ab03..112584aa0772 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 |