Merge branch 'sh/for-2.6.34' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal...
authorLinus Torvalds <torvalds@linux-foundation.org>
Thu, 6 May 2010 15:37:39 +0000 (08:37 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Thu, 6 May 2010 15:37:39 +0000 (08:37 -0700)
* 'sh/for-2.6.34' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6:
  sh: fix a number of Oopses and leaks in SH framebuffer driver
  SH: fix error paths in DMA driver
  sh: sh7751 pci controller io port fix
  sh: Fix maximum number of SCIF ports in R2D defconfigs
  SH: fix TS field shift calculation for DMA drivers

arch/sh/configs/rts7751r2d1_defconfig
arch/sh/configs/rts7751r2dplus_defconfig
arch/sh/drivers/pci/pci-sh7751.c
arch/sh/include/cpu-sh4/cpu/dma-register.h
drivers/dma/shdma.c
drivers/video/sh_mobile_lcdcfb.c

index fba1f62..dba024d 100644 (file)
@@ -877,7 +877,7 @@ CONFIG_SERIAL_8250_RUNTIME_UARTS=4
 #
 # CONFIG_SERIAL_MAX3100 is not set
 CONFIG_SERIAL_SH_SCI=y
-CONFIG_SERIAL_SH_SCI_NR_UARTS=1
+CONFIG_SERIAL_SH_SCI_NR_UARTS=2
 CONFIG_SERIAL_SH_SCI_CONSOLE=y
 CONFIG_SERIAL_CORE=y
 CONFIG_SERIAL_CORE_CONSOLE=y
index a8d538f..6d511d0 100644 (file)
@@ -963,7 +963,7 @@ CONFIG_SERIAL_8250_RUNTIME_UARTS=4
 #
 # CONFIG_SERIAL_MAX3100 is not set
 CONFIG_SERIAL_SH_SCI=y
-CONFIG_SERIAL_SH_SCI_NR_UARTS=1
+CONFIG_SERIAL_SH_SCI_NR_UARTS=2
 CONFIG_SERIAL_SH_SCI_CONSOLE=y
 CONFIG_SERIAL_CORE=y
 CONFIG_SERIAL_CORE_CONSOLE=y
index 17811e5..f98141b 100644 (file)
@@ -17,6 +17,7 @@
 #include <linux/io.h>
 #include "pci-sh4.h"
 #include <asm/addrspace.h>
+#include <asm/sizes.h>
 
 static int __init __area_sdram_check(struct pci_channel *chan,
                                     unsigned int area)
@@ -47,8 +48,8 @@ static int __init __area_sdram_check(struct pci_channel *chan,
 static struct resource sh7751_pci_resources[] = {
        {
                .name   = "SH7751_IO",
-               .start  = SH7751_PCI_IO_BASE,
-               .end    = SH7751_PCI_IO_BASE + SH7751_PCI_IO_SIZE - 1,
+               .start  = 0x1000,
+               .end    = SZ_4M - 1,
                .flags  = IORESOURCE_IO
        }, {
                .name   = "SH7751_mem",
index 55f9fec..de23595 100644 (file)
@@ -76,7 +76,7 @@ enum {
 }
 
 #define TS_INDEX2VAL(i)        ((((i) & 3) << CHCR_TS_LOW_SHIFT) | \
-                        ((((i) >> 2) & 3) << CHCR_TS_HIGH_SHIFT))
+                        (((i) & 0xc) << CHCR_TS_HIGH_SHIFT))
 
 #else /* CONFIG_CPU_SH4A */
 
index 7cc31b3..6f25a20 100644 (file)
@@ -290,6 +290,7 @@ static int sh_dmae_alloc_chan_resources(struct dma_chan *chan)
        struct sh_dmae_chan *sh_chan = to_sh_chan(chan);
        struct sh_desc *desc;
        struct sh_dmae_slave *param = chan->private;
+       int ret;
 
        pm_runtime_get_sync(sh_chan->dev);
 
@@ -301,11 +302,15 @@ static int sh_dmae_alloc_chan_resources(struct dma_chan *chan)
                struct sh_dmae_slave_config *cfg;
 
                cfg = sh_dmae_find_slave(sh_chan, param->slave_id);
-               if (!cfg)
-                       return -EINVAL;
+               if (!cfg) {
+                       ret = -EINVAL;
+                       goto efindslave;
+               }
 
-               if (test_and_set_bit(param->slave_id, sh_dmae_slave_used))
-                       return -EBUSY;
+               if (test_and_set_bit(param->slave_id, sh_dmae_slave_used)) {
+                       ret = -EBUSY;
+                       goto etestused;
+               }
 
                param->config = cfg;
 
@@ -334,10 +339,20 @@ static int sh_dmae_alloc_chan_resources(struct dma_chan *chan)
        }
        spin_unlock_bh(&sh_chan->desc_lock);
 
-       if (!sh_chan->descs_allocated)
-               pm_runtime_put(sh_chan->dev);
+       if (!sh_chan->descs_allocated) {
+               ret = -ENOMEM;
+               goto edescalloc;
+       }
 
        return sh_chan->descs_allocated;
+
+edescalloc:
+       if (param)
+               clear_bit(param->slave_id, sh_dmae_slave_used);
+etestused:
+efindslave:
+       pm_runtime_put(sh_chan->dev);
+       return ret;
 }
 
 /*
index e14bd07..e8c7699 100644 (file)
@@ -695,6 +695,7 @@ static int sh_mobile_lcdc_setup_clocks(struct platform_device *pdev,
         * 1) Enable Runtime PM
         * 2) Force Runtime PM Resume since hardware is accessed from probe()
         */
+       priv->dev = &pdev->dev;
        pm_runtime_enable(priv->dev);
        pm_runtime_resume(priv->dev);
        return 0;
@@ -957,25 +958,24 @@ static int __devinit sh_mobile_lcdc_probe(struct platform_device *pdev)
 
        if (!pdev->dev.platform_data) {
                dev_err(&pdev->dev, "no platform data defined\n");
-               error = -EINVAL;
-               goto err0;
+               return -EINVAL;
        }
 
        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
        i = platform_get_irq(pdev, 0);
        if (!res || i < 0) {
                dev_err(&pdev->dev, "cannot get platform resources\n");
-               error = -ENOENT;
-               goto err0;
+               return -ENOENT;
        }
 
        priv = kzalloc(sizeof(*priv), GFP_KERNEL);
        if (!priv) {
                dev_err(&pdev->dev, "cannot allocate device data\n");
-               error = -ENOMEM;
-               goto err0;
+               return -ENOMEM;
        }
 
+       platform_set_drvdata(pdev, priv);
+
        error = request_irq(i, sh_mobile_lcdc_irq, IRQF_DISABLED,
                            dev_name(&pdev->dev), priv);
        if (error) {
@@ -984,8 +984,6 @@ static int __devinit sh_mobile_lcdc_probe(struct platform_device *pdev)
        }
 
        priv->irq = i;
-       priv->dev = &pdev->dev;
-       platform_set_drvdata(pdev, priv);
        pdata = pdev->dev.platform_data;
 
        j = 0;
@@ -1099,9 +1097,9 @@ static int __devinit sh_mobile_lcdc_probe(struct platform_device *pdev)
                info = ch->info;
 
                if (info->fbdefio) {
-                       priv->ch->sglist = vmalloc(sizeof(struct scatterlist) *
+                       ch->sglist = vmalloc(sizeof(struct scatterlist) *
                                        info->fix.smem_len >> PAGE_SHIFT);
-                       if (!priv->ch->sglist) {
+                       if (!ch->sglist) {
                                dev_err(&pdev->dev, "cannot allocate sglist\n");
                                goto err1;
                        }
@@ -1126,9 +1124,9 @@ static int __devinit sh_mobile_lcdc_probe(struct platform_device *pdev)
        }
 
        return 0;
- err1:
+err1:
        sh_mobile_lcdc_remove(pdev);
- err0:
+
        return error;
 }
 
@@ -1139,7 +1137,7 @@ static int sh_mobile_lcdc_remove(struct platform_device *pdev)
        int i;
 
        for (i = 0; i < ARRAY_SIZE(priv->ch); i++)
-               if (priv->ch[i].info->dev)
+               if (priv->ch[i].info && priv->ch[i].info->dev)
                        unregister_framebuffer(priv->ch[i].info);
 
        sh_mobile_lcdc_stop(priv);
@@ -1162,7 +1160,8 @@ static int sh_mobile_lcdc_remove(struct platform_device *pdev)
        if (priv->dot_clk)
                clk_put(priv->dot_clk);
 
-       pm_runtime_disable(priv->dev);
+       if (priv->dev)
+               pm_runtime_disable(priv->dev);
 
        if (priv->base)
                iounmap(priv->base);