[PATCH] mmc: core: make SPI CRC flag readable from /sys/module

[Ben Gardiner]

Make the use_spi_crc module parameter read only in sysfs.

Signed-off-by: Ben Gardiner <ben.l.gardiner@xxxxxxxxx>
---
 drivers/mmc/core/core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 49a5bca..93f64b3 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -60,7 +60,7 @@ static const unsigned freqs[] = { 400000, 300000, 200000, 100000 };
  * So we allow it it to be disabled.
  */
 bool use_spi_crc = 1;
-module_param(use_spi_crc, bool, 0);
+module_param(use_spi_crc, bool, 0444);
 
 /*
  * We normally treat cards as removed during suspend if they are not
-- 
1.8.1.2

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