Commit 8a1a6272 authored by David Woodhouse's avatar David Woodhouse

Revert "[MTD] m25p80.c code cleanup"

This reverts commit 75d0ee22.

Although it seems ObviouslyCorrect, the spi_write() call uses DMA,
while spi_write_then_read() does not. Since our buffer is on the stack,
we must use the latter even though we don't actually want to read
anything back.

Pointed out by David Brownell <david-b@pacbell.net>
Signed-off-by: default avatarDavid Woodhouse <David.Woodhouse@intel.com>
parent 7d28e0d1
...@@ -134,7 +134,7 @@ static inline int write_enable(struct m25p *flash) ...@@ -134,7 +134,7 @@ static inline int write_enable(struct m25p *flash)
{ {
u8 code = OPCODE_WREN; u8 code = OPCODE_WREN;
return spi_write(flash->spi, &code, 1); return spi_write_then_read(flash->spi, &code, 1, NULL, 0);
} }
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment