Commit d61b3f9b authored by Ye Bin's avatar Ye Bin Committed by Enric Balletbo i Serra
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platform/chrome: cros_ec_lpc: Use DEFINE_MUTEX() for mutex lock 



mutex lock can be initialized automatically with DEFINE_MUTEX()
rather than explicitly calling mutex_init().

Reported-by: default avatarHulk Robot <hulkci@huawei.com>
Signed-off-by: default avatarYe Bin <yebin10@huawei.com>
Signed-off-by: default avatarEnric Balletbo i Serra <enric.balletbo@collabora.com>
Link: https://lore.kernel.org/r/20210409095138.2293869-1-yebin10@huawei.com
parent 4423ee65

drivers/platform/chrome/cros_ec_lpc_mec.c

+1 −2
Original line number Diff line number Diff line
@@ -14,7 +14,7 @@ 
 * This mutex must be held while accessing the EMI unit. We can't rely on the

 * EC mutex because memmap data may be accessed without it being held.

 */

static struct mutex io_mutex;

static DEFINE_MUTEX(io_mutex);

static u16 mec_emi_base, mec_emi_end;



/**
@@ -142,7 +142,6 @@ EXPORT_SYMBOL(cros_ec_lpc_io_bytes_mec); 


void cros_ec_lpc_mec_init(unsigned int base, unsigned int end)

{

	mutex_init(&io_mutex);

	mec_emi_base = base;

	mec_emi_end = end;

}