Merge branch 'merge-spi' of git://git.secretlab.ca/git/linux-2.6

* 'merge-spi' of git://git.secretlab.ca/git/linux-2.6:
  spi/m68knommu: Coldfire QSPI platform support
  spi/omap2_mcspi.c: Force CS to be in inactive state after off-mode transition

diff --git a/drivers/spi/coldfire_qspi.c b/drivers/spi/coldfire_qspi.c
index 052b3c7fa6a0f644d26c613e67e69ffe00ad05be..8856bcca9d2933db4a8f98526bc716c6640bb075 100644 (file)
--- a/drivers/spi/coldfire_qspi.c
+++ b/drivers/spi/coldfire_qspi.c
@@ -317,7 +317,7 @@ static void mcfqspi_work(struct work_struct *work)
                msg = container_of(mcfqspi->msgq.next, struct spi_message,
                                   queue);
 
-               list_del_init(&mcfqspi->msgq);
+               list_del_init(&msg->queue);
                spin_unlock_irqrestore(&mcfqspi->lock, flags);
 
                spi = msg->spi;

diff --git a/drivers/spi/omap2_mcspi.c b/drivers/spi/omap2_mcspi.c
index 2a651e61bfbff30f23e8e44dddfcb70ab8a05173..951a160fc27fbe2614376776ba3b712646e305ff 100644 (file)
--- a/drivers/spi/omap2_mcspi.c
+++ b/drivers/spi/omap2_mcspi.c
@@ -1305,10 +1305,49 @@ static int __exit omap2_mcspi_remove(struct platform_device *pdev)
 /* work with hotplug and coldplug */
 MODULE_ALIAS("platform:omap2_mcspi");
 
+#ifdef CONFIG_SUSPEND
+/*
+ * When SPI wake up from off-mode, CS is in activate state. If it was in
+ * unactive state when driver was suspend, then force it to unactive state at
+ * wake up.
+ */
+static int omap2_mcspi_resume(struct device *dev)
+{
+       struct spi_master       *master = dev_get_drvdata(dev);
+       struct omap2_mcspi      *mcspi = spi_master_get_devdata(master);
+       struct omap2_mcspi_cs *cs;
+
+       omap2_mcspi_enable_clocks(mcspi);
+       list_for_each_entry(cs, &omap2_mcspi_ctx[master->bus_num - 1].cs,
+                           node) {
+               if ((cs->chconf0 & OMAP2_MCSPI_CHCONF_FORCE) == 0) {
+
+                       /*
+                        * We need to toggle CS state for OMAP take this
+                        * change in account.
+                        */
+                       MOD_REG_BIT(cs->chconf0, OMAP2_MCSPI_CHCONF_FORCE, 1);
+                       __raw_writel(cs->chconf0, cs->base + OMAP2_MCSPI_CHCONF0);
+                       MOD_REG_BIT(cs->chconf0, OMAP2_MCSPI_CHCONF_FORCE, 0);
+                       __raw_writel(cs->chconf0, cs->base + OMAP2_MCSPI_CHCONF0);
+               }
+       }
+       omap2_mcspi_disable_clocks(mcspi);
+       return 0;
+}
+#else
+#define        omap2_mcspi_resume      NULL
+#endif
+
+static const struct dev_pm_ops omap2_mcspi_pm_ops = {
+       .resume = omap2_mcspi_resume,
+};
+
 static struct platform_driver omap2_mcspi_driver = {
        .driver = {
                .name =         "omap2_mcspi",
                .owner =        THIS_MODULE,
+               .pm =           &omap2_mcspi_pm_ops
        },
        .remove =       __exit_p(omap2_mcspi_remove),
 };