* [PATCH -next] platform/chrome: cros_ec_lpc_mec: use DEFINE_MUTEX (and mutex_init() had been too late)
@ 2020-12-23 14:11 Zheng Yongjun
0 siblings, 0 replies; only message in thread
From: Zheng Yongjun @ 2020-12-23 14:11 UTC (permalink / raw)
To: bleung, enric.balletbo, linux-kernel; +Cc: groeck, Zheng Yongjun
Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
---
drivers/platform/chrome/cros_ec_lpc_mec.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/platform/chrome/cros_ec_lpc_mec.c b/drivers/platform/chrome/cros_ec_lpc_mec.c
index 9035b17e8c86..bbc2884f5e2f 100644
--- a/drivers/platform/chrome/cros_ec_lpc_mec.c
+++ b/drivers/platform/chrome/cros_ec_lpc_mec.c
@@ -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;
}
--
2.22.0
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