diff options
Diffstat (limited to 'target/linux/ar71xx/patches-3.14/406-mtd-m25p80-allow-to-specify-max-read-size.patch')
| -rw-r--r-- | target/linux/ar71xx/patches-3.14/406-mtd-m25p80-allow-to-specify-max-read-size.patch | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/target/linux/ar71xx/patches-3.14/406-mtd-m25p80-allow-to-specify-max-read-size.patch b/target/linux/ar71xx/patches-3.14/406-mtd-m25p80-allow-to-specify-max-read-size.patch index 194b8be..d229b7f 100644 --- a/target/linux/ar71xx/patches-3.14/406-mtd-m25p80-allow-to-specify-max-read-size.patch +++ b/target/linux/ar71xx/patches-3.14/406-mtd-m25p80-allow-to-specify-max-read-size.patch @@ -43,8 +43,7 @@ + size_t readlen; + size_t done; + int ret; - -- spi_sync(flash->spi, &m); ++ + ret = wait_till_ready(flash); + if (ret) { + mutex_unlock(&flash->lock); @@ -56,32 +55,33 @@ + readlen = flash->max_read_len; + else + readlen = len; - -- *retlen = m.actual_length - m25p_cmdsz(flash) - dummy; ++ + t[1].rx_buf = buf + ofs; + t[1].rx_nbits = m25p80_rx_nbits(flash); + t[1].len = readlen; - ++ + m25p_addr2cmd(flash, from + ofs, flash->command); + + spi_sync(flash->spi, &m); -+ + +- spi_sync(flash->spi, &m); + done = m.actual_length - m25p_cmdsz(flash) - + dummy; + if (done != readlen) { + mutex_unlock(&flash->lock); + return 1; + } -+ + +- *retlen = m.actual_length - m25p_cmdsz(flash) - dummy; + ofs += done; + len -= done; + } -+ + + *retlen = ofs; mutex_unlock(&flash->lock); return 0; -@@ -1193,6 +1217,12 @@ static int m25p_probe(struct spi_device +@@ -1193,6 +1217,12 @@ static int m25p_probe(struct spi_device flash->mtd._unlock = m25p80_unlock; } |