diff options
author | Tolga Ceylan <tolga.ceylan@gmail.com> | 2015-05-01 23:40:35 -0700 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-05-08 09:23:58 +0200 |
commit | 02eb884f4e26a8649724fdf236822d371998f2bb (patch) | |
tree | 363936602ff33a94240113b1c34d13c49426fbb7 /drivers | |
parent | bae97e81102d281c92b00c44d43304be3ae3c0a6 (diff) |
drivers: staging: fbtft: fbtft-bus.c: Fix different address space warning on I/O mem
To fix sparse warning of incorrect type in assignment
(different address space), added annotation __iomem to
vmem8 and modified direct reads with ioread8().
Signed-off-by: Tolga Ceylan <tolga.ceylan@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/staging/fbtft/fbtft-bus.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/staging/fbtft/fbtft-bus.c b/drivers/staging/fbtft/fbtft-bus.c index 52af9cbbc2a6..912c6328fb87 100644 --- a/drivers/staging/fbtft/fbtft-bus.c +++ b/drivers/staging/fbtft/fbtft-bus.c @@ -184,7 +184,7 @@ EXPORT_SYMBOL(fbtft_write_vmem16_bus8); /* 16 bit pixel over 9-bit SPI bus: dc + high byte, dc + low byte */ int fbtft_write_vmem16_bus9(struct fbtft_par *par, size_t offset, size_t len) { - u8 *vmem8; + u8 __iomem *vmem8; u16 *txbuf16 = par->txbuf.buf; size_t remain; size_t to_copy; @@ -212,12 +212,12 @@ int fbtft_write_vmem16_bus9(struct fbtft_par *par, size_t offset, size_t len) #ifdef __LITTLE_ENDIAN for (i = 0; i < to_copy; i += 2) { - txbuf16[i] = 0x0100 | vmem8[i+1]; - txbuf16[i+1] = 0x0100 | vmem8[i]; + txbuf16[i] = 0x0100 | ioread8(vmem8 + i + 1); + txbuf16[i + 1] = 0x0100 | ioread8(vmem8 + i); } #else for (i = 0; i < to_copy; i++) - txbuf16[i] = 0x0100 | vmem8[i]; + txbuf16[i] = 0x0100 | ioread8(vmem8 + i); #endif vmem8 = vmem8 + to_copy; ret = par->fbtftops.write(par, par->txbuf.buf, to_copy*2); |