blackfin video driver: update the BF52x EZKIT video framebuffer driver according to LKML review
- Allocate pseudo_palette together with fbinfo - Code cleanup Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: "Antonino A. Daplas" <adaplas@pol.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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7ef9861c74
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@ -91,6 +91,7 @@ struct bfin_t350mcqbfb_info {
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int lq043_open_cnt;
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int irq;
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spinlock_t lock; /* lock */
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u32 pseudo_pal[16];
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};
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static int nocursor;
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@ -182,13 +183,13 @@ static void bfin_t350mcqb_config_dma(struct bfin_t350mcqbfb_info *fbi)
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}
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static int bfin_t350mcqb_request_ports(int action)
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{
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u16 ppi0_req_8[] = {P_PPI0_CLK, P_PPI0_FS1, P_PPI0_FS2,
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static u16 ppi0_req_8[] = {P_PPI0_CLK, P_PPI0_FS1, P_PPI0_FS2,
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P_PPI0_D0, P_PPI0_D1, P_PPI0_D2,
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P_PPI0_D3, P_PPI0_D4, P_PPI0_D5,
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P_PPI0_D6, P_PPI0_D7, 0};
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static int bfin_t350mcqb_request_ports(int action)
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{
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if (action) {
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if (peripheral_request_list(ppi0_req_8, DRIVER_NAME)) {
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printk(KERN_ERR "Requesting Peripherals faild\n");
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@ -520,16 +521,7 @@ static int __init bfin_t350mcqb_probe(struct platform_device *pdev)
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fbinfo->fbops = &bfin_t350mcqb_fb_ops;
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fbinfo->pseudo_palette = kmalloc(sizeof(u32) * 16, GFP_KERNEL);
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if (!fbinfo->pseudo_palette) {
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printk(KERN_ERR DRIVER_NAME
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"Fail to allocate pseudo_palette\n");
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ret = -ENOMEM;
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goto out4;
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}
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memset(fbinfo->pseudo_palette, 0, sizeof(u32) * 16);
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fbinfo->pseudo_palette = &info->pseudo_pal;
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if (fb_alloc_cmap(&fbinfo->cmap, BFIN_LCD_NBR_PALETTE_ENTRIES, 0)
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< 0) {
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@ -537,7 +529,7 @@ static int __init bfin_t350mcqb_probe(struct platform_device *pdev)
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"Fail to allocate colormap (%d entries)\n",
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BFIN_LCD_NBR_PALETTE_ENTRIES);
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ret = -EFAULT;
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goto out5;
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goto out4;
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}
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if (bfin_t350mcqb_request_ports(1)) {
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@ -552,11 +544,11 @@ static int __init bfin_t350mcqb_probe(struct platform_device *pdev)
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goto out7;
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}
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if (request_irq(info->irq, (void *)bfin_t350mcqb_irq_error, IRQF_DISABLED,
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"PPI ERROR", info) < 0) {
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ret = request_irq(info->irq, bfin_t350mcqb_irq_error, IRQF_DISABLED,
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"PPI ERROR", info);
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if (ret < 0) {
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printk(KERN_ERR DRIVER_NAME
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": unable to request PPI ERROR IRQ\n");
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ret = -EFAULT;
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goto out7;
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}
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@ -584,8 +576,6 @@ out7:
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bfin_t350mcqb_request_ports(0);
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out6:
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fb_dealloc_cmap(&fbinfo->cmap);
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out5:
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kfree(fbinfo->pseudo_palette);
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out4:
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dma_free_coherent(NULL, fbinfo->fix.smem_len, info->fb_buffer,
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info->dma_handle);
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@ -605,6 +595,8 @@ static int bfin_t350mcqb_remove(struct platform_device *pdev)
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struct fb_info *fbinfo = platform_get_drvdata(pdev);
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struct bfin_t350mcqbfb_info *info = fbinfo->par;
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unregister_framebuffer(fbinfo);
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free_dma(CH_PPI);
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free_irq(info->irq, info);
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@ -612,7 +604,6 @@ static int bfin_t350mcqb_remove(struct platform_device *pdev)
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dma_free_coherent(NULL, fbinfo->fix.smem_len, info->fb_buffer,
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info->dma_handle);
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kfree(fbinfo->pseudo_palette);
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fb_dealloc_cmap(&fbinfo->cmap);
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#ifndef NO_BL_SUPPORT
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@ -620,10 +611,11 @@ static int bfin_t350mcqb_remove(struct platform_device *pdev)
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backlight_device_unregister(bl_dev);
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#endif
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unregister_framebuffer(fbinfo);
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bfin_t350mcqb_request_ports(0);
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platform_set_drvdata(pdev, NULL);
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framebuffer_release(fbinfo);
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printk(KERN_INFO DRIVER_NAME ": Unregister LCD driver.\n");
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return 0;
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