Messages in this thread Patch in this message | | | From | Irina Tirdea <> | Subject | [PATCH 14/26] mmc: panic write: bypass bus ref locking | Date | Tue, 23 Oct 2012 16:48:12 +0300 |
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From: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Signed-off-by: Irina Tirdea <irina.tirdea@intel.com> --- drivers/mmc/core/core.c | 10 ++++++++++ 1 file changed, 10 insertions(+)
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index 4fd7061..3daec19 100644 --- a/drivers/mmc/core/core.c +++ b/drivers/mmc/core/core.c @@ -1418,6 +1418,11 @@ static inline void mmc_bus_get(struct mmc_host *host) { unsigned long flags; + if (mmc_am_panic_task(host)) { + host->bus_refs++; + return; + } + spin_lock_irqsave(&host->lock, flags); host->bus_refs++; spin_unlock_irqrestore(&host->lock, flags); @@ -1431,6 +1436,11 @@ static inline void mmc_bus_put(struct mmc_host *host) { unsigned long flags; + if (mmc_am_panic_task(host)) { + host->bus_refs--; + return; + } + spin_lock_irqsave(&host->lock, flags); host->bus_refs--; if ((host->bus_refs == 0) && host->bus_ops) -- 1.7.9.5
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