Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc:
  mmc: extend ricoh_mmc to support Ricoh RL5c476
  at91_mci: use generic GPIO calls
  sdhci: add num index for multi controllers case
  MAINTAINERS: remove non-existant URLs
  mmc: remove sdhci and mmc_spi experimental markers
  mmc: Handle suspend/resume in Ricoh MMC disabler

5 files changed, 231 insertions, 67 deletions

diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig
index 5fef6783c716..3b3cd0e74715 100644
--- a/drivers/mmc/host/Kconfig
+++ b/drivers/mmc/host/Kconfig
@@ -25,8 +25,8 @@ config MMC_PXA
           If unsure, say N.
 
 config MMC_SDHCI
-        tristate "Secure Digital Host Controller Interface support  (EXPERIMENTAL)"
-        depends on PCI && EXPERIMENTAL
+        tristate "Secure Digital Host Controller Interface support"
+        depends on PCI
         help
           This select the generic Secure Digital Host Controller Interface.
           It is used by manufacturers such as Texas Instruments(R), Ricoh(R)
@@ -118,8 +118,8 @@ config MMC_TIFM_SD
           module will be called tifm_sd.
 
 config MMC_SPI
-        tristate "MMC/SD over SPI (EXPERIMENTAL)"
-        depends on MMC && SPI_MASTER && !HIGHMEM && EXPERIMENTAL
+        tristate "MMC/SD over SPI"
+        depends on MMC && SPI_MASTER && !HIGHMEM
         select CRC7
         select CRC_ITU_T
         help
diff --git a/drivers/mmc/host/at91_mci.c b/drivers/mmc/host/at91_mci.c
index b1edcefdd4f9..21acecc9fe3a 100644
--- a/drivers/mmc/host/at91_mci.c
+++ b/drivers/mmc/host/at91_mci.c
@@ -70,10 +70,11 @@
 
 #include <asm/io.h>
 #include <asm/irq.h>
+#include <asm/gpio.h>
+
 #include <asm/mach/mmc.h>
 #include <asm/arch/board.h>
 #include <asm/arch/cpu.h>
-#include <asm/arch/gpio.h>
 #include <asm/arch/at91_mci.h>
 
 #define DRIVER_NAME "at91_mci"
@@ -659,11 +660,11 @@ static void at91_mci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
         if (host->board->vcc_pin) {
                 switch (ios->power_mode) {
                         case MMC_POWER_OFF:
-                                at91_set_gpio_value(host->board->vcc_pin, 0);
+                                gpio_set_value(host->board->vcc_pin, 0);
                                 break;
                         case MMC_POWER_UP:
                         case MMC_POWER_ON:
-                                at91_set_gpio_value(host->board->vcc_pin, 1);
+                                gpio_set_value(host->board->vcc_pin, 1);
                                 break;
                 }
         }
@@ -768,7 +769,7 @@ static irqreturn_t at91_mci_irq(int irq, void *devid)
 static irqreturn_t at91_mmc_det_irq(int irq, void *_host)
 {
         struct at91mci_host *host = _host;
-        int present = !at91_get_gpio_value(irq);
+        int present = !gpio_get_value(irq_to_gpio(irq));
 
         /*
          * we expect this irq on both insert and remove,
@@ -793,7 +794,7 @@ static int at91_mci_get_ro(struct mmc_host *mmc)
         struct at91mci_host *host = mmc_priv(mmc);
 
         if (host->board->wp_pin) {
-                read_only = at91_get_gpio_value(host->board->wp_pin);
+                read_only = gpio_get_value(host->board->wp_pin);
                 printk(KERN_WARNING "%s: card is %s\n", mmc_hostname(mmc),
                                 (read_only ? "read-only" : "read-write") );
         }
@@ -820,8 +821,6 @@ static int __init at91_mci_probe(struct platform_device *pdev)
         struct resource *res;
         int ret;
 
-        pr_debug("Probe MCI devices\n");
-
         res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
         if (!res)
                 return -ENXIO;
@@ -831,9 +830,9 @@ static int __init at91_mci_probe(struct platform_device *pdev)
 
         mmc = mmc_alloc_host(sizeof(struct at91mci_host), &pdev->dev);
         if (!mmc) {
-                pr_debug("Failed to allocate mmc host\n");
-                release_mem_region(res->start, res->end - res->start + 1);
-                return -ENOMEM;
+                ret = -ENOMEM;
+                dev_dbg(&pdev->dev, "couldn't allocate mmc host\n");
+                goto fail6;
         }
 
         mmc->ops = &at91_mci_ops;
@@ -853,19 +852,44 @@ static int __init at91_mci_probe(struct platform_device *pdev)
                 if (cpu_is_at91sam9260() || cpu_is_at91sam9263())
                         mmc->caps |= MMC_CAP_4_BIT_DATA;
                 else
-                        printk("AT91 MMC: 4 wire bus mode not supported"
+                        dev_warn(&pdev->dev, "4 wire bus mode not supported"
                                 " - using 1 wire\n");
         }
 
         /*
+         * Reserve GPIOs ... board init code makes sure these pins are set
+         * up as GPIOs with the right direction (input, except for vcc)
+         */
+        if (host->board->det_pin) {
+                ret = gpio_request(host->board->det_pin, "mmc_detect");
+                if (ret < 0) {
+                        dev_dbg(&pdev->dev, "couldn't claim card detect pin\n");
+                        goto fail5;
+                }
+        }
+        if (host->board->wp_pin) {
+                ret = gpio_request(host->board->wp_pin, "mmc_wp");
+                if (ret < 0) {
+                        dev_dbg(&pdev->dev, "couldn't claim wp sense pin\n");
+                        goto fail4;
+                }
+        }
+        if (host->board->vcc_pin) {
+                ret = gpio_request(host->board->vcc_pin, "mmc_vcc");
+                if (ret < 0) {
+                        dev_dbg(&pdev->dev, "couldn't claim vcc switch pin\n");
+                        goto fail3;
+                }
+        }
+
+        /*
          * Get Clock
          */
         host->mci_clk = clk_get(&pdev->dev, "mci_clk");
         if (IS_ERR(host->mci_clk)) {
-                printk(KERN_ERR "AT91 MMC: no clock defined.\n");
-                mmc_free_host(mmc);
-                release_mem_region(res->start, res->end - res->start + 1);
-                return -ENODEV;
+                ret = -ENODEV;
+                dev_dbg(&pdev->dev, "no mci_clk?\n");
+                goto fail2;
         }
 
         /*
@@ -873,10 +897,8 @@ static int __init at91_mci_probe(struct platform_device *pdev)
          */
         host->baseaddr = ioremap(res->start, res->end - res->start + 1);
         if (!host->baseaddr) {
-                clk_put(host->mci_clk);
-                mmc_free_host(mmc);
-                release_mem_region(res->start, res->end - res->start + 1);
-                return -ENOMEM;
+                ret = -ENOMEM;
+                goto fail1;
         }
 
         /*
@@ -890,15 +912,11 @@ static int __init at91_mci_probe(struct platform_device *pdev)
          * Allocate the MCI interrupt
          */
         host->irq = platform_get_irq(pdev, 0);
-        ret = request_irq(host->irq, at91_mci_irq, IRQF_SHARED, DRIVER_NAME, host);
+        ret = request_irq(host->irq, at91_mci_irq, IRQF_SHARED,
+                        mmc_hostname(mmc), host);
         if (ret) {
-                printk(KERN_ERR "AT91 MMC: Failed to request MCI interrupt\n");
-                clk_disable(host->mci_clk);
-                clk_put(host->mci_clk);
-                mmc_free_host(mmc);
-                iounmap(host->baseaddr);
-                release_mem_region(res->start, res->end - res->start + 1);
-                return ret;
+                dev_dbg(&pdev->dev, "request MCI interrupt failed\n");
+                goto fail0;
         }
 
         platform_set_drvdata(pdev, mmc);
@@ -907,8 +925,7 @@ static int __init at91_mci_probe(struct platform_device *pdev)
          * Add host to MMC layer
          */
         if (host->board->det_pin) {
-                host->present = !at91_get_gpio_value(host->board->det_pin);
-                device_init_wakeup(&pdev->dev, 1);
+                host->present = !gpio_get_value(host->board->det_pin);
         }
         else
                 host->present = -1;
@@ -919,15 +936,38 @@ static int __init at91_mci_probe(struct platform_device *pdev)
          * monitor card insertion/removal if we can
          */
         if (host->board->det_pin) {
-                ret = request_irq(host->board->det_pin, at91_mmc_det_irq,
-                                0, DRIVER_NAME, host);
+                ret = request_irq(gpio_to_irq(host->board->det_pin),
+                                at91_mmc_det_irq, 0, mmc_hostname(mmc), host);
                 if (ret)
-                        printk(KERN_ERR "AT91 MMC: Couldn't allocate MMC detect irq\n");
+                        dev_warn(&pdev->dev, "request MMC detect irq failed\n");
+                else
+                        device_init_wakeup(&pdev->dev, 1);
         }
 
         pr_debug("Added MCI driver\n");
 
         return 0;
+
+fail0:
+        clk_disable(host->mci_clk);
+        iounmap(host->baseaddr);
+fail1:
+        clk_put(host->mci_clk);
+fail2:
+        if (host->board->vcc_pin)
+                gpio_free(host->board->vcc_pin);
+fail3:
+        if (host->board->wp_pin)
+                gpio_free(host->board->wp_pin);
+fail4:
+        if (host->board->det_pin)
+                gpio_free(host->board->det_pin);
+fail5:
+        mmc_free_host(mmc);
+fail6:
+        release_mem_region(res->start, res->end - res->start + 1);
+        dev_err(&pdev->dev, "probe failed, err %d\n", ret);
+        return ret;
 }
 
 /*
@@ -945,9 +985,10 @@ static int __exit at91_mci_remove(struct platform_device *pdev)
         host = mmc_priv(mmc);
 
         if (host->board->det_pin) {
+                if (device_can_wakeup(&pdev->dev))
+                        free_irq(gpio_to_irq(host->board->det_pin), host);
                 device_init_wakeup(&pdev->dev, 0);
-                free_irq(host->board->det_pin, host);
-                cancel_delayed_work(&host->mmc->detect);
+                gpio_free(host->board->det_pin);
         }
 
         at91_mci_disable(host);
@@ -957,6 +998,11 @@ static int __exit at91_mci_remove(struct platform_device *pdev)
         clk_disable(host->mci_clk);                     /* Disable the peripheral clock */
         clk_put(host->mci_clk);
 
+        if (host->board->vcc_pin)
+                gpio_free(host->board->vcc_pin);
+        if (host->board->wp_pin)
+                gpio_free(host->board->wp_pin);
+
         iounmap(host->baseaddr);
         res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
         release_mem_region(res->start, res->end - res->start + 1);
diff --git a/drivers/mmc/host/ricoh_mmc.c b/drivers/mmc/host/ricoh_mmc.c
index 1e8704533bc5..a16d7609e4ee 100644
--- a/drivers/mmc/host/ricoh_mmc.c
+++ b/drivers/mmc/host/ricoh_mmc.c
@@ -41,10 +41,91 @@ static const struct pci_device_id pci_ids[] __devinitdata = {
 
 MODULE_DEVICE_TABLE(pci, pci_ids);
 
+static int ricoh_mmc_disable(struct pci_dev *fw_dev)
+{
+        u8 write_enable;
+        u8 write_target;
+        u8 disable;
+
+        if (fw_dev->device == PCI_DEVICE_ID_RICOH_RL5C476) {
+                /* via RL5C476 */
+
+                pci_read_config_byte(fw_dev, 0xB7, &disable);
+                if (disable & 0x02) {
+                        printk(KERN_INFO DRIVER_NAME
+                                ": Controller already disabled. " \
+                                "Nothing to do.\n");
+                        return -ENODEV;
+                }
+
+                pci_read_config_byte(fw_dev, 0x8E, &write_enable);
+                pci_write_config_byte(fw_dev, 0x8E, 0xAA);
+                pci_read_config_byte(fw_dev, 0x8D, &write_target);
+                pci_write_config_byte(fw_dev, 0x8D, 0xB7);
+                pci_write_config_byte(fw_dev, 0xB7, disable | 0x02);
+                pci_write_config_byte(fw_dev, 0x8E, write_enable);
+                pci_write_config_byte(fw_dev, 0x8D, write_target);
+        } else {
+                /* via R5C832 */
+
+                pci_read_config_byte(fw_dev, 0xCB, &disable);
+                if (disable & 0x02) {
+                        printk(KERN_INFO DRIVER_NAME
+                               ": Controller already disabled. " \
+                                "Nothing to do.\n");
+                        return -ENODEV;
+                }
+
+                pci_read_config_byte(fw_dev, 0xCA, &write_enable);
+                pci_write_config_byte(fw_dev, 0xCA, 0x57);
+                pci_write_config_byte(fw_dev, 0xCB, disable | 0x02);
+                pci_write_config_byte(fw_dev, 0xCA, write_enable);
+        }
+
+        printk(KERN_INFO DRIVER_NAME
+               ": Controller is now disabled.\n");
+
+        return 0;
+}
+
+static int ricoh_mmc_enable(struct pci_dev *fw_dev)
+{
+        u8 write_enable;
+        u8 write_target;
+        u8 disable;
+
+        if (fw_dev->device == PCI_DEVICE_ID_RICOH_RL5C476) {
+                /* via RL5C476 */
+
+                pci_read_config_byte(fw_dev, 0x8E, &write_enable);
+                pci_write_config_byte(fw_dev, 0x8E, 0xAA);
+                pci_read_config_byte(fw_dev, 0x8D, &write_target);
+                pci_write_config_byte(fw_dev, 0x8D, 0xB7);
+                pci_read_config_byte(fw_dev, 0xB7, &disable);
+                pci_write_config_byte(fw_dev, 0xB7, disable & ~0x02);
+                pci_write_config_byte(fw_dev, 0x8E, write_enable);
+                pci_write_config_byte(fw_dev, 0x8D, write_target);
+        } else {
+                /* via R5C832 */
+
+                pci_read_config_byte(fw_dev, 0xCA, &write_enable);
+                pci_read_config_byte(fw_dev, 0xCB, &disable);
+                pci_write_config_byte(fw_dev, 0xCA, 0x57);
+                pci_write_config_byte(fw_dev, 0xCB, disable & ~0x02);
+                pci_write_config_byte(fw_dev, 0xCA, write_enable);
+        }
+
+        printk(KERN_INFO DRIVER_NAME
+               ": Controller is now re-enabled.\n");
+
+        return 0;
+}
+
 static int __devinit ricoh_mmc_probe(struct pci_dev *pdev,
                                      const struct pci_device_id *ent)
 {
         u8 rev;
+        u8 ctrlfound = 0;
 
         struct pci_dev *fw_dev = NULL;
 
@@ -58,34 +139,38 @@ static int __devinit ricoh_mmc_probe(struct pci_dev *pdev,
                 pci_name(pdev), (int)pdev->vendor, (int)pdev->device,
                 (int)rev);
 
-        while ((fw_dev = pci_get_device(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_R5C832, fw_dev))) {
+        while ((fw_dev =
+                pci_get_device(PCI_VENDOR_ID_RICOH,
+                        PCI_DEVICE_ID_RICOH_RL5C476, fw_dev))) {
                 if (PCI_SLOT(pdev->devfn) == PCI_SLOT(fw_dev->devfn) &&
                     pdev->bus == fw_dev->bus) {
-                        u8 write_enable;
-                        u8 disable;
-
-                        pci_read_config_byte(fw_dev, 0xCB, &disable);
-                        if (disable & 0x02) {
-                                printk(KERN_INFO DRIVER_NAME
-                                       ": Controller already disabled. Nothing to do.\n");
+                        if (ricoh_mmc_disable(fw_dev) != 0)
                                 return -ENODEV;
-                        }
-
-                        pci_read_config_byte(fw_dev, 0xCA, &write_enable);
-                        pci_write_config_byte(fw_dev, 0xCA, 0x57);
-                        pci_write_config_byte(fw_dev, 0xCB, disable | 0x02);
-                        pci_write_config_byte(fw_dev, 0xCA, write_enable);
 
                         pci_set_drvdata(pdev, fw_dev);
 
-                        printk(KERN_INFO DRIVER_NAME
-                               ": Controller is now disabled.\n");
-
+                        ++ctrlfound;
                         break;
                 }
         }
 
-        if (pci_get_drvdata(pdev) == NULL) {
+        fw_dev = NULL;
+
+        while (!ctrlfound &&
+            (fw_dev = pci_get_device(PCI_VENDOR_ID_RICOH,
+                                        PCI_DEVICE_ID_RICOH_R5C832, fw_dev))) {
+                if (PCI_SLOT(pdev->devfn) == PCI_SLOT(fw_dev->devfn) &&
+                    pdev->bus == fw_dev->bus) {
+                        if (ricoh_mmc_disable(fw_dev) != 0)
+                                return -ENODEV;
+
+                        pci_set_drvdata(pdev, fw_dev);
+
+                        ++ctrlfound;
+                }
+        }
+
+        if (!ctrlfound) {
                 printk(KERN_WARNING DRIVER_NAME
                        ": Main firewire function not found. Cannot disable controller.\n");
                 return -ENODEV;
@@ -96,30 +181,51 @@ static int __devinit ricoh_mmc_probe(struct pci_dev *pdev,
 
 static void __devexit ricoh_mmc_remove(struct pci_dev *pdev)
 {
-        u8 write_enable;
-        u8 disable;
         struct pci_dev *fw_dev = NULL;
 
         fw_dev = pci_get_drvdata(pdev);
         BUG_ON(fw_dev == NULL);
 
-        pci_read_config_byte(fw_dev, 0xCA, &write_enable);
-        pci_read_config_byte(fw_dev, 0xCB, &disable);
-        pci_write_config_byte(fw_dev, 0xCA, 0x57);
-        pci_write_config_byte(fw_dev, 0xCB, disable & ~0x02);
-        pci_write_config_byte(fw_dev, 0xCA, write_enable);
-
-        printk(KERN_INFO DRIVER_NAME
-               ": Controller is now re-enabled.\n");
+        ricoh_mmc_enable(fw_dev);
 
         pci_set_drvdata(pdev, NULL);
 }
 
+static int ricoh_mmc_suspend(struct pci_dev *pdev, pm_message_t state)
+{
+        struct pci_dev *fw_dev = NULL;
+
+        fw_dev = pci_get_drvdata(pdev);
+        BUG_ON(fw_dev == NULL);
+
+        printk(KERN_INFO DRIVER_NAME ": Suspending.\n");
+
+        ricoh_mmc_enable(fw_dev);
+
+        return 0;
+}
+
+static int ricoh_mmc_resume(struct pci_dev *pdev)
+{
+        struct pci_dev *fw_dev = NULL;
+
+        fw_dev = pci_get_drvdata(pdev);
+        BUG_ON(fw_dev == NULL);
+
+        printk(KERN_INFO DRIVER_NAME ": Resuming.\n");
+
+        ricoh_mmc_disable(fw_dev);
+
+        return 0;
+}
+
 static struct pci_driver ricoh_mmc_driver = {
         .name =         DRIVER_NAME,
         .id_table =     pci_ids,
         .probe =        ricoh_mmc_probe,
         .remove =       __devexit_p(ricoh_mmc_remove),
+        .suspend =      ricoh_mmc_suspend,
+        .resume =       ricoh_mmc_resume,
 };
 
 /*****************************************************************************\
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 785bbdcf4a58..4b673aa2dc3c 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -30,6 +30,10 @@
 
 static unsigned int debug_quirks = 0;
 
+/* For multi controllers in one platform case */
+static u16 chip_index = 0;
+static spinlock_t index_lock;
+
 /*
  * Different quirks to handle when the hardware deviates from a strict
  * interpretation of the SDHCI specification.
@@ -1320,7 +1324,7 @@ static int __devinit sdhci_probe_slot(struct pci_dev *pdev, int slot)
 
         DBG("slot %d at 0x%08lx, irq %d\n", slot, host->addr, host->irq);
 
-        snprintf(host->slot_descr, 20, "sdhci:slot%d", slot);
+        snprintf(host->slot_descr, 20, "sdhc%d:slot%d", chip->index, slot);
 
         ret = pci_request_region(pdev, host->bar, host->slot_descr);
         if (ret)
@@ -1585,6 +1589,11 @@ static int __devinit sdhci_probe(struct pci_dev *pdev,
         chip->num_slots = slots;
         pci_set_drvdata(pdev, chip);
 
+        /* Add for multi controller case */
+        spin_lock(&index_lock);
+        chip->index = chip_index++;
+        spin_unlock(&index_lock);
+
         for (i = 0;i < slots;i++) {
                 ret = sdhci_probe_slot(pdev, i);
                 if (ret) {
@@ -1645,6 +1654,8 @@ static int __init sdhci_drv_init(void)
                 ": Secure Digital Host Controller Interface driver\n");
         printk(KERN_INFO DRIVER_NAME ": Copyright(c) Pierre Ossman\n");
 
+        spin_lock_init(&index_lock);
+
         return pci_register_driver(&sdhci_driver);
 }
 
diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
index e4d77b038bfa..d5a38f1b755a 100644
--- a/drivers/mmc/host/sdhci.h
+++ b/drivers/mmc/host/sdhci.h
@@ -208,6 +208,7 @@ struct sdhci_chip {
 
         unsigned long           quirks;
 
+        int                     index;          /* Index for chip0, chip1 ...*/
         int                     num_slots;      /* Slots on controller */
         struct sdhci_host       *hosts[0];      /* Pointers to hosts */
 };