Djam/u-boot
1
0
Fork 0
mirror of https://github.com/u-boot/u-boot.git synced 2025-05-02 09:36:15 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

sf: Use spi_flash_addr() in write call

Browse source 
Use the existing spi_flash_addr() for 3-byte addressing
cmd filling in write call.

Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Jagannadha Sutradharudu Teki 2013-06-11 21:36:20 +05:30
parent 1dcd6d0381
commit f76b1bd08b
1 changed files with 2 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
drivers/mtd/spi/spi_flash.c
View file

@ -71,7 +71,7 @@ int spi_flash_cmd_write(struct spi_slave *spi, const u8 *cmd, size_t cmd_len,
int spi_flash_cmd_write_multi(struct spi_flash *flash, u32 offset,
size_t len, const void *buf)
{
unsigned long page_addr, byte_addr, page_size;
unsigned long byte_addr, page_size;
size_t chunk_len, actual;
int ret;
u8 cmd[4];
@ -97,16 +97,13 @@ int spi_flash_cmd_write_multi(struct spi_flash *flash, u32 offset,
return ret;
}
#endif
page_addr = offset / page_size;
byte_addr = offset % page_size;
chunk_len = min(len - actual, page_size - byte_addr);
if (flash->spi->max_write_size)
chunk_len = min(chunk_len, flash->spi->max_write_size);
cmd[1] = page_addr >> 8;
cmd[2] = page_addr;
cmd[3] = byte_addr;
spi_flash_addr(offset, cmd);
debug("PP: 0x%p => cmd = { 0x%02x 0x%02x%02x%02x } chunk_len = %zu\n",
buf + actual, cmd[0], cmd[1], cmd[2], cmd[3], chunk_len);