2013-11-16 00:01:12

by Taras Kondratiuk

[permalink] [raw]
Subject: [RFC 09/23] crypto: omap-sham - raw read and write endian fix

From: Victor Kamensky <[email protected]>

All OMAP IP blocks expect LE data, but CPU may operate in BE mode.
Need to use endian neutral functions to read/write h/w registers.
I.e instead of __raw_read[lw] and __raw_write[lw] functions code
need to use read[lw]_relaxed and write[lw]_relaxed functions.
If the first simply reads/writes register, the second will byteswap
it if host operates in BE mode.

Changes are trivial sed like replacement of __raw_xxx functions
with xxx_relaxed variant.

Signed-off-by: Victor Kamensky <[email protected]>
Signed-off-by: Taras Kondratiuk <[email protected]>
---
drivers/crypto/omap-sham.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/crypto/omap-sham.c b/drivers/crypto/omap-sham.c
index 8bdde57..b011b97 100644
--- a/drivers/crypto/omap-sham.c
+++ b/drivers/crypto/omap-sham.c
@@ -244,13 +244,13 @@ static struct omap_sham_drv sham = {

static inline u32 omap_sham_read(struct omap_sham_dev *dd, u32 offset)
{
- return __raw_readl(dd->io_base + offset);
+ return readl_relaxed(dd->io_base + offset);
}

static inline void omap_sham_write(struct omap_sham_dev *dd,
u32 offset, u32 value)
{
- __raw_writel(value, dd->io_base + offset);
+ writel_relaxed(value, dd->io_base + offset);
}

static inline void omap_sham_write_mask(struct omap_sham_dev *dd, u32 address,
--
1.7.9.5