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| author | Timur Tabi <timur@freescale.com> | 2011-09-15 23:44:52 +0200 |
|---|---|---|
| committer | Florian Tobias Schandinat <FlorianSchandinat@gmx.de> | 2011-09-18 22:08:57 +0200 |
| commit | bada04fcda8bd2a2bfd5519a6a7265ec9896b435 (patch) | |
| tree | 842b107a958196c0734578c91f7d1ad4e3d66157 /drivers/video/fsl-diu-fb.c | |
| parent | drivers/video: fsl-diu-fb: remove redundant default video mode (diff) | |
| download | linux-bada04fcda8bd2a2bfd5519a6a7265ec9896b435.tar.xz linux-bada04fcda8bd2a2bfd5519a6a7265ec9896b435.zip | |
drivers/video: fsl-diu-fb: improve local variable usage in some functions
Clean up the local variable usage in request_irq_local() and allocate_buf().
This streamlines the code without affecting functionality.
Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Diffstat (limited to 'drivers/video/fsl-diu-fb.c')
| -rw-r--r-- | drivers/video/fsl-diu-fb.c | 23 |
1 files changed, 10 insertions, 13 deletions
diff --git a/drivers/video/fsl-diu-fb.c b/drivers/video/fsl-diu-fb.c index c89395450ee7..4d22399be177 100644 --- a/drivers/video/fsl-diu-fb.c +++ b/drivers/video/fsl-diu-fb.c @@ -1265,14 +1265,14 @@ static irqreturn_t fsl_diu_isr(int irq, void *dev_id) static int request_irq_local(int irq) { - unsigned long status, ints; + u32 ints; struct diu *hw; int ret; hw = dr.diu_reg; /* Read to clear the status */ - status = in_be32(&hw->int_status); + in_be32(&hw->int_status); ret = request_irq(irq, fsl_diu_isr, 0, "diu", NULL); if (!ret) { @@ -1285,7 +1285,7 @@ static int request_irq_local(int irq) ints |= INT_VSYNC_WB; /* Read to clear the status */ - status = in_be32(&hw->int_status); + in_be32(&hw->int_status); out_be32(&hw->int_mask, ints); } @@ -1336,23 +1336,20 @@ static int fsl_diu_resume(struct platform_device *ofdev) static int allocate_buf(struct device *dev, struct diu_addr *buf, u32 size, u32 bytes_align) { - u32 offset, ssize; - u32 mask; - dma_addr_t paddr = 0; + u32 offset; + dma_addr_t mask; - ssize = size + bytes_align; - buf->vaddr = dma_alloc_coherent(dev, ssize, &paddr, GFP_DMA | - __GFP_ZERO); + buf->vaddr = + dma_alloc_coherent(dev, size + bytes_align, &buf->paddr, + GFP_DMA | __GFP_ZERO); if (!buf->vaddr) return -ENOMEM; - buf->paddr = (__u32) paddr; - mask = bytes_align - 1; - offset = (u32)buf->paddr & mask; + offset = buf->paddr & mask; if (offset) { buf->offset = bytes_align - offset; - buf->paddr = (u32)buf->paddr + offset; + buf->paddr = buf->paddr + offset; } else buf->offset = 0; |