diff options
author | Ingo Molnar <mingo@kernel.org> | 2012-04-14 13:18:27 +0200 |
---|---|---|
committer | Ingo Molnar <mingo@kernel.org> | 2012-04-14 13:19:04 +0200 |
commit | 6ac1ef482d7ae0c690f1640bf6eb818ff9a2d91e (patch) | |
tree | 021cc9f6b477146fcebe6f3be4752abfa2ba18a9 /drivers/spi/spi-sh.c | |
parent | 682968e0c425c60f0dde37977e5beb2b12ddc4cc (diff) | |
parent | a385ec4f11bdcf81af094c03e2444ee9b7fad2e5 (diff) |
Merge branch 'perf/core' into perf/uprobes
Merge in latest upstream (and the latest perf development tree),
to prepare for tooling changes, and also to pick up v3.4 MM
changes that the uprobes code needs to take care of.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/spi/spi-sh.c')
-rw-r--r-- | drivers/spi/spi-sh.c | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/drivers/spi/spi-sh.c b/drivers/spi/spi-sh.c index 70c8af9f7cc..79442c31bcd 100644 --- a/drivers/spi/spi-sh.c +++ b/drivers/spi/spi-sh.c @@ -92,17 +92,26 @@ struct spi_sh_data { unsigned long cr1; wait_queue_head_t wait; spinlock_t lock; + int width; }; static void spi_sh_write(struct spi_sh_data *ss, unsigned long data, unsigned long offset) { - writel(data, ss->addr + offset); + if (ss->width == 8) + iowrite8(data, ss->addr + (offset >> 2)); + else if (ss->width == 32) + iowrite32(data, ss->addr + offset); } static unsigned long spi_sh_read(struct spi_sh_data *ss, unsigned long offset) { - return readl(ss->addr + offset); + if (ss->width == 8) + return ioread8(ss->addr + (offset >> 2)); + else if (ss->width == 32) + return ioread32(ss->addr + offset); + else + return 0; } static void spi_sh_set_bit(struct spi_sh_data *ss, unsigned long val, @@ -464,6 +473,18 @@ static int __devinit spi_sh_probe(struct platform_device *pdev) ss = spi_master_get_devdata(master); dev_set_drvdata(&pdev->dev, ss); + switch (res->flags & IORESOURCE_MEM_TYPE_MASK) { + case IORESOURCE_MEM_8BIT: + ss->width = 8; + break; + case IORESOURCE_MEM_32BIT: + ss->width = 32; + break; + default: + dev_err(&pdev->dev, "No support width\n"); + ret = -ENODEV; + goto error1; + } ss->irq = irq; ss->master = master; ss->addr = ioremap(res->start, resource_size(res)); |