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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-12-09 17:14:38 +1100
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-12-09 17:14:38 +1100
commitbcd6acd51f3d4d1ada201e9bc5c40a31d6d80c71 (patch)
tree2f6dffd2d3e4dd67355a224de7e7a960335a92fd /drivers/spi
parent11c34c7deaeeebcee342cbc35e1bb2a6711b2431 (diff)
parent3ff6a468b45b5dfeb0e903e56f4eb27d34b2437c (diff)
downloadblackbird-op-linux-bcd6acd51f3d4d1ada201e9bc5c40a31d6d80c71.tar.gz
blackbird-op-linux-bcd6acd51f3d4d1ada201e9bc5c40a31d6d80c71.zip
Merge commit 'origin/master' into next
Conflicts: include/linux/kvm.h
Diffstat (limited to 'drivers/spi')
-rw-r--r--drivers/spi/omap2_mcspi.c4
-rw-r--r--drivers/spi/omap_uwire.c10
-rw-r--r--drivers/spi/spi_txx9.c13
3 files changed, 13 insertions, 14 deletions
diff --git a/drivers/spi/omap2_mcspi.c b/drivers/spi/omap2_mcspi.c
index ba1a872b221e..bf5f95a19413 100644
--- a/drivers/spi/omap2_mcspi.c
+++ b/drivers/spi/omap2_mcspi.c
@@ -35,8 +35,8 @@
#include <linux/spi/spi.h>
-#include <mach/dma.h>
-#include <mach/clock.h>
+#include <plat/dma.h>
+#include <plat/clock.h>
#define OMAP2_MCSPI_MAX_FREQ 48000000
diff --git a/drivers/spi/omap_uwire.c b/drivers/spi/omap_uwire.c
index e75ba9b28898..6c3a8557db27 100644
--- a/drivers/spi/omap_uwire.c
+++ b/drivers/spi/omap_uwire.c
@@ -51,8 +51,8 @@
#include <asm/io.h>
#include <asm/mach-types.h>
-#include <mach/mux.h>
-#include <mach/omap730.h> /* OMAP730_IO_CONF registers */
+#include <plat/mux.h>
+#include <plat/omap7xx.h> /* OMAP7XX_IO_CONF registers */
/* FIXME address is now a platform device resource,
@@ -504,7 +504,7 @@ static int __init uwire_probe(struct platform_device *pdev)
}
clk_enable(uwire->ck);
- if (cpu_is_omap730())
+ if (cpu_is_omap7xx())
uwire_idx_shift = 1;
else
uwire_idx_shift = 2;
@@ -573,8 +573,8 @@ static int __init omap_uwire_init(void)
}
if (machine_is_omap_perseus2()) {
/* configure pins: MPU_UW_nSCS1, MPU_UW_SDO, MPU_UW_SCLK */
- int val = omap_readl(OMAP730_IO_CONF_9) & ~0x00EEE000;
- omap_writel(val | 0x00AAA000, OMAP730_IO_CONF_9);
+ int val = omap_readl(OMAP7XX_IO_CONF_9) & ~0x00EEE000;
+ omap_writel(val | 0x00AAA000, OMAP7XX_IO_CONF_9);
}
return platform_driver_probe(&uwire_driver, uwire_probe);
diff --git a/drivers/spi/spi_txx9.c b/drivers/spi/spi_txx9.c
index 96057de133ad..19f75627c3de 100644
--- a/drivers/spi/spi_txx9.c
+++ b/drivers/spi/spi_txx9.c
@@ -29,6 +29,8 @@
#define SPI_FIFO_SIZE 4
+#define SPI_MAX_DIVIDER 0xff /* Max. value for SPCR1.SER */
+#define SPI_MIN_DIVIDER 1 /* Min. value for SPCR1.SER */
#define TXx9_SPMCR 0x00
#define TXx9_SPCR0 0x04
@@ -193,11 +195,8 @@ static void txx9spi_work_one(struct txx9spi *c, struct spi_message *m)
if (prev_speed_hz != speed_hz
|| prev_bits_per_word != bits_per_word) {
- u32 n = (c->baseclk + speed_hz - 1) / speed_hz;
- if (n < 1)
- n = 1;
- else if (n > 0xff)
- n = 0xff;
+ int n = DIV_ROUND_UP(c->baseclk, speed_hz) - 1;
+ n = clamp(n, SPI_MIN_DIVIDER, SPI_MAX_DIVIDER);
/* enter config mode */
txx9spi_wr(c, mcr | TXx9_SPMCR_CONFIG | TXx9_SPMCR_BCLR,
TXx9_SPMCR);
@@ -370,8 +369,8 @@ static int __init txx9spi_probe(struct platform_device *dev)
goto exit;
}
c->baseclk = clk_get_rate(c->clk);
- c->min_speed_hz = (c->baseclk + 0xff - 1) / 0xff;
- c->max_speed_hz = c->baseclk;
+ c->min_speed_hz = DIV_ROUND_UP(c->baseclk, SPI_MAX_DIVIDER + 1);
+ c->max_speed_hz = c->baseclk / (SPI_MIN_DIVIDER + 1);
res = platform_get_resource(dev, IORESOURCE_MEM, 0);
if (!res)
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