diff options
Diffstat (limited to 'target/linux/brcm63xx/patches-3.8/013-spi-bcm63xx-inline-hz-usage-in-bcm63xx_spi_setup_tra.patch')
| -rw-r--r-- | target/linux/brcm63xx/patches-3.8/013-spi-bcm63xx-inline-hz-usage-in-bcm63xx_spi_setup_tra.patch | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/target/linux/brcm63xx/patches-3.8/013-spi-bcm63xx-inline-hz-usage-in-bcm63xx_spi_setup_tra.patch b/target/linux/brcm63xx/patches-3.8/013-spi-bcm63xx-inline-hz-usage-in-bcm63xx_spi_setup_tra.patch new file mode 100644 index 000000000..fba37d57a --- /dev/null +++ b/target/linux/brcm63xx/patches-3.8/013-spi-bcm63xx-inline-hz-usage-in-bcm63xx_spi_setup_tra.patch @@ -0,0 +1,43 @@ +From 2646be877afc663d1688a2add8386b027c9d7e31 Mon Sep 17 00:00:00 2001 +From: Jonas Gorski <jogo@openwrt.org> +Date: Mon, 11 Mar 2013 14:08:06 +0100 +Subject: [PATCH 11/12] spi/bcm63xx: inline hz usage in + bcm63xx_spi_setup_transfer + +bcm63xx_spi_setup_transfer is called from only one place, and that has +t always set, to hz will always be t->speed_hz - just use it directly in +the two places instead of moving it in a local variable. + +Signed-off-by: Jonas Gorski <jogo@openwrt.org> +--- + drivers/spi/spi-bcm63xx.c | 7 ++----- + 1 file changed, 2 insertions(+), 5 deletions(-) + +--- a/drivers/spi/spi-bcm63xx.c ++++ b/drivers/spi/spi-bcm63xx.c +@@ -97,15 +97,12 @@ static void bcm63xx_spi_setup_transfer(s + struct spi_transfer *t) + { + struct bcm63xx_spi *bs = spi_master_get_devdata(spi->master); +- u32 hz; + u8 clk_cfg, reg; + int i; + +- hz = (t) ? t->speed_hz : spi->max_speed_hz; +- + /* Find the closest clock configuration */ + for (i = 0; i < SPI_CLK_MASK; i++) { +- if (hz >= bcm63xx_spi_freq_table[i][0]) { ++ if (t->speed_hz >= bcm63xx_spi_freq_table[i][0]) { + clk_cfg = bcm63xx_spi_freq_table[i][1]; + break; + } +@@ -122,7 +119,7 @@ static void bcm63xx_spi_setup_transfer(s + + bcm_spi_writeb(bs, reg, SPI_CLK_CFG); + dev_dbg(&spi->dev, "Setting clock register to %02x (hz %d)\n", +- clk_cfg, hz); ++ clk_cfg, t->speed_hz); + } + + /* the spi->mode bits understood by this driver: */ |