mmc: renesas_sdhi_internal_dmac: fix #define RST_RESERVED_BITS

commit 9faf870e559a710c44e747ba20383ea82d8ac5d2 upstream.

The DM_CM_RST register actually has bits 0-31 defaulting to 1s and bits
32-63 defaulting to 0s -- fix off-by-one in #define RST_RESERVED_BITS.

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Fixes: 2a68ea7896e3 ("mmc: renesas-sdhi: add support for R-Car Gen3 SDHI DMAC")
Cc: stable@vger.kernel.org # v4.14+
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/mmc/host/renesas_sdhi_internal_dmac.c b/drivers/mmc/host/renesas_sdhi_internal_dmac.c
index 8bae88a150fd45b3284b594d2d090d4f78fe1fc7..713658be66614264640aa27db20b3fbf25a5e51c 100644 (file)
--- a/drivers/mmc/host/renesas_sdhi_internal_dmac.c
+++ b/drivers/mmc/host/renesas_sdhi_internal_dmac.c
@@ -44,7 +44,7 @@
 /* DM_CM_RST */
 #define RST_DTRANRST1          BIT(9)
 #define RST_DTRANRST0          BIT(8)
-#define RST_RESERVED_BITS      GENMASK_ULL(32, 0)
+#define RST_RESERVED_BITS      GENMASK_ULL(31, 0)
 
 /* DM_CM_INFO1 and DM_CM_INFO1_MASK */
 #define INFO1_CLEAR            0