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Diffstat (limited to 'target/device/Atmel/arch-avr32/kernel-patches-2.6.22.10/linux-2.6.22.10-501-atmel_mci-minor-fixes-and-cleanups.patch')
-rw-r--r--target/device/Atmel/arch-avr32/kernel-patches-2.6.22.10/linux-2.6.22.10-501-atmel_mci-minor-fixes-and-cleanups.patch290
1 files changed, 0 insertions, 290 deletions
diff --git a/target/device/Atmel/arch-avr32/kernel-patches-2.6.22.10/linux-2.6.22.10-501-atmel_mci-minor-fixes-and-cleanups.patch b/target/device/Atmel/arch-avr32/kernel-patches-2.6.22.10/linux-2.6.22.10-501-atmel_mci-minor-fixes-and-cleanups.patch
deleted file mode 100644
index 0c4c1d0af..000000000
--- a/target/device/Atmel/arch-avr32/kernel-patches-2.6.22.10/linux-2.6.22.10-501-atmel_mci-minor-fixes-and-cleanups.patch
+++ /dev/null
@@ -1,290 +0,0 @@
-From: Haavard Skinnemoen <hskinnemoen@atmel.com>
-Subject: [PATCH 1/2] atmel_mci: Minor fixes and cleanups
-
- * Use ios->clock to define when to enable the controller instead of
- ios->power_mode.
- * Send initialization command (74 idle clock cycles) when power_mode
- is set to MMC_POWER_ON.
- * Use dev_dbg() and friends instead of pr_debug() and printk().
- * Don't print data- or probe errors when debugging is not enabled.
- * Adjust ocr_avail range to 3.2V-3.4V using proper constants.
-
-Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
----
- drivers/mmc/host/atmel-mci.c | 120 ++++++++++++++++++++++-------------------
- 1 files changed, 64 insertions(+), 56 deletions(-)
-
-diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c
-index 74d343f..1dc91b4 100644
---- a/drivers/mmc/host/atmel-mci.c
-+++ b/drivers/mmc/host/atmel-mci.c
-@@ -464,9 +464,8 @@ static void atmci_set_timeout(struct atmel_mci *host,
- dtocyc = 15;
- }
-
-- pr_debug("%s: setting timeout to %u cycles\n",
-- mmc_hostname(host->mmc),
-- dtocyc << dtomul_to_shift[dtomul]);
-+ dev_dbg(&host->mmc->class_dev, "setting timeout to %u cycles\n",
-+ dtocyc << dtomul_to_shift[dtomul]);
- mci_writel(host, DTOR, (MCI_BF(DTOMUL, dtomul)
- | MCI_BF(DTOCYC, dtocyc)));
- }
-@@ -508,9 +507,9 @@ static u32 atmci_prepare_command(struct mmc_host *mmc,
- if (!(cmd->flags & MMC_RSP_CRC))
- iflags &= ~MCI_BIT(RCRCE);
-
-- pr_debug("%s: cmd: op %02x arg %08x flags %08x, cmdflags %08lx\n",
-- mmc_hostname(mmc), cmd->opcode, cmd->arg, cmd->flags,
-- (unsigned long)cmdr);
-+ dev_dbg(&mmc->class_dev,
-+ "cmd: op %02x arg %08x flags %08x, cmdflags %08lx\n",
-+ cmd->opcode, cmd->arg, cmd->flags, (unsigned long)cmdr);
-
- *cmd_flags = cmdr;
- return iflags;
-@@ -589,7 +588,8 @@ static void atmci_request(struct mmc_host *mmc, struct mmc_request *mrq)
-
- iflags = mci_readl(host, IMR);
- if (iflags)
-- printk("WARNING: IMR=0x%08x\n", mci_readl(host, IMR));
-+ dev_warn(&mmc->class_dev, "WARNING: IMR=0x%08x\n",
-+ mci_readl(host, IMR));
-
- WARN_ON(host->mrq != NULL);
- host->mrq = mrq;
-@@ -623,16 +623,30 @@ static void atmci_request(struct mmc_host *mmc, struct mmc_request *mrq)
- static void atmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
- {
- struct atmel_mci *host = mmc_priv(mmc);
-+ u32 mr;
-
- if (ios->clock) {
- u32 clkdiv;
-
-+ /* Set clock rate */
- clkdiv = host->bus_hz / (2 * ios->clock) - 1;
-- if (clkdiv > 255)
-+ if (clkdiv > 255) {
-+ dev_warn(&mmc->class_dev,
-+ "clock %u too slow; using %lu\n",
-+ ios->clock, host->bus_hz / (2 * 256));
- clkdiv = 255;
-- mci_writel(host, MR, (clkdiv
-- | MCI_BIT(WRPROOF)
-- | MCI_BIT(RDPROOF)));
-+ }
-+
-+ mr = mci_readl(host, MR);
-+ mr = MCI_BFINS(CLKDIV, clkdiv, mr)
-+ | MCI_BIT(WRPROOF) | MCI_BIT(RDPROOF);
-+ mci_writel(host, MR, mr);
-+
-+ /* Enable the MCI controller */
-+ mci_writel(host, CR, MCI_BIT(MCIEN));
-+ } else {
-+ /* Disable the MCI controller */
-+ mci_writel(host, CR, MCI_BIT(MCIDIS));
- }
-
- switch (ios->bus_width) {
-@@ -645,14 +659,19 @@ static void atmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
- }
-
- switch (ios->power_mode) {
-- case MMC_POWER_OFF:
-- mci_writel(host, CR, MCI_BIT(MCIDIS));
-- break;
-- case MMC_POWER_UP:
-- mci_writel(host, CR, MCI_BIT(SWRST));
-- break;
- case MMC_POWER_ON:
-- mci_writel(host, CR, MCI_BIT(MCIEN));
-+ /* Send init sequence (74 clock cycles) */
-+ mci_writel(host, IDR, ~0UL);
-+ mci_writel(host, CMDR, MCI_BF(SPCMD, MCI_SPCMD_INIT_CMD));
-+ while (!(mci_readl(host, SR) & MCI_BIT(CMDRDY)))
-+ cpu_relax();
-+ break;
-+ default:
-+ /*
-+ * TODO: None of the currently available AVR32-based
-+ * boards allow MMC power to be turned off. Implement
-+ * power control when this can be tested properly.
-+ */
- break;
- }
- }
-@@ -664,11 +683,12 @@ static int atmci_get_ro(struct mmc_host *mmc)
-
- if (host->wp_pin >= 0) {
- read_only = gpio_get_value(host->wp_pin);
-- pr_debug("%s: card is %s\n", mmc_hostname(mmc),
-- read_only ? "read-only" : "read-write");
-+ dev_dbg(&mmc->class_dev, "card is %s\n",
-+ read_only ? "read-only" : "read-write");
- } else {
-- pr_debug("%s: no pin for checking read-only switch."
-- " Assuming write-enable.\n", mmc_hostname(mmc));
-+ dev_dbg(&mmc->class_dev,
-+ "no pin for checking read-only switch."
-+ " Assuming write-enable.\n");
- }
-
- return read_only;
-@@ -719,8 +739,7 @@ static void atmci_command_error(struct mmc_host *mmc,
- struct mmc_command *cmd,
- u32 status)
- {
-- pr_debug("%s: command error: status=0x%08x\n",
-- mmc_hostname(mmc), status);
-+ dev_dbg(&mmc->class_dev, "command error: status=0x%08x\n", status);
-
- if (status & MCI_BIT(RTOE))
- cmd->error = MMC_ERR_TIMEOUT;
-@@ -737,7 +756,8 @@ static void atmci_tasklet_func(unsigned long priv)
- struct mmc_request *mrq = host->mrq;
- struct mmc_data *data = host->data;
-
-- pr_debug("atmci_tasklet: pending/completed/mask %lx/%lx/%x\n",
-+ dev_dbg(&mmc->class_dev,
-+ "tasklet: pending/completed/mask %lx/%lx/%x\n",
- host->pending_events, host->completed_events,
- mci_readl(host, IMR));
-
-@@ -784,8 +804,8 @@ static void atmci_tasklet_func(unsigned long priv)
- /* DMA controller got bus error => invalid address */
- data->error = MMC_ERR_INVALID;
-
-- printk(KERN_DEBUG "%s: dma error after %u bytes xfered\n",
-- mmc_hostname(mmc), host->data->bytes_xfered);
-+ dev_dbg(&mmc->class_dev, "dma error after %u bytes xfered\n",
-+ host->data->bytes_xfered);
-
- if (data->stop
- && !mci_set_stop_sent_is_completed(host))
-@@ -803,24 +823,18 @@ static void atmci_tasklet_func(unsigned long priv)
- dma_stop_request(host->dma.req.req.dmac,
- host->dma.req.req.channel);
-
-- printk(KERN_DEBUG "%s: data error: status=0x%08x\n",
-- mmc_hostname(host->mmc), status);
--
- if (status & MCI_BIT(DCRCE)) {
-- printk(KERN_DEBUG "%s: Data CRC error\n",
-- mmc_hostname(host->mmc));
-+ dev_dbg(&mmc->class_dev, "data CRC error\n");
- data->error = MMC_ERR_BADCRC;
- } else if (status & MCI_BIT(DTOE)) {
-- printk(KERN_DEBUG "%s: Data Timeout error\n",
-- mmc_hostname(host->mmc));
-+ dev_dbg(&mmc->class_dev, "data timeout error\n");
- data->error = MMC_ERR_TIMEOUT;
- } else {
-- printk(KERN_DEBUG "%s: Data FIFO error\n",
-- mmc_hostname(host->mmc));
-+ dev_dbg(&mmc->class_dev, "data FIFO error\n");
- data->error = MMC_ERR_FIFO;
- }
-- printk(KERN_DEBUG "%s: Bytes xfered: %u\n",
-- mmc_hostname(host->mmc), data->bytes_xfered);
-+ dev_dbg(&mmc->class_dev, "bytes xfered: %u\n",
-+ data->bytes_xfered);
-
- if (data->stop
- && !mci_set_stop_sent_is_completed(host))
-@@ -998,8 +1012,8 @@ static irqreturn_t atmci_detect_change(int irq, void *dev_id)
- int present = !gpio_get_value(irq_to_gpio(irq));
-
- if (present != host->present) {
-- pr_debug("%s: card %s\n", mmc_hostname(host->mmc),
-- present ? "inserted" : "removed");
-+ dev_dbg(&mmc->class_dev, "card %s\n",
-+ present ? "inserted" : "removed");
- host->present = present;
- mci_set_card_detect_pending(host);
- tasklet_schedule(&host->tasklet);
-@@ -1058,7 +1072,7 @@ static int __devinit atmci_probe(struct platform_device *pdev)
- mmc->ops = &atmci_ops;
- mmc->f_min = (host->bus_hz + 511) / 512;
- mmc->f_max = min((unsigned int)(host->bus_hz / 2), fmax);
-- mmc->ocr_avail = 0x00100000;
-+ mmc->ocr_avail = MMC_VDD_32_33 | MMC_VDD_33_34;
- mmc->caps |= MMC_CAP_4_BIT_DATA;
-
- tasklet_init(&host->tasklet, atmci_tasklet_func, (unsigned long)mmc);
-@@ -1071,8 +1085,7 @@ static int __devinit atmci_probe(struct platform_device *pdev)
- host->present = 1;
- if (host->detect_pin >= 0) {
- if (gpio_request(host->detect_pin, "mmc_detect")) {
-- printk(KERN_WARNING "%s: no detect pin available\n",
-- mmc_hostname(host->mmc));
-+ dev_dbg(&mmc->class_dev, "no detect pin available\n");
- host->detect_pin = -1;
- } else {
- host->present = !gpio_get_value(host->detect_pin);
-@@ -1080,8 +1093,7 @@ static int __devinit atmci_probe(struct platform_device *pdev)
- }
- if (host->wp_pin >= 0) {
- if (gpio_request(host->wp_pin, "mmc_wp")) {
-- printk(KERN_WARNING "%s: no WP pin available\n",
-- mmc_hostname(host->mmc));
-+ dev_dbg(&mmc->class_dev, "no WP pin available\n");
- host->wp_pin = -1;
- }
- }
-@@ -1090,14 +1102,12 @@ static int __devinit atmci_probe(struct platform_device *pdev)
- ret = -ENOMEM;
- host->dma.req.req.dmac = find_dma_controller(0);
- if (!host->dma.req.req.dmac) {
-- printk(KERN_ERR
-- "mmci: No DMA controller available, aborting\n");
-+ dev_dbg(&mmc->class_dev, "no DMA controller available\n");
- goto out_free_irq;
- }
- ret = dma_alloc_channel(host->dma.req.req.dmac);
- if (ret < 0) {
-- printk(KERN_ERR
-- "mmci: Unable to allocate DMA channel, aborting\n");
-+ dev_dbg(&mmc->class_dev, "unable to allocate DMA channel\n");
- goto out_free_irq;
- }
- host->dma.req.req.channel = ret;
-@@ -1110,7 +1120,6 @@ static int __devinit atmci_probe(struct platform_device *pdev)
-
- mci_writel(host, CR, MCI_BIT(SWRST));
- mci_writel(host, IDR, ~0UL);
-- mci_writel(host, CR, MCI_BIT(MCIEN));
-
- platform_set_drvdata(pdev, host);
-
-@@ -1122,17 +1131,16 @@ static int __devinit atmci_probe(struct platform_device *pdev)
- IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
- DRIVER_NAME, mmc);
- if (ret) {
-- printk(KERN_ERR
-- "%s: could not request IRQ %d for detect pin\n",
-- mmc_hostname(mmc),
-- gpio_to_irq(host->detect_pin));
-+ dev_dbg(&mmc->class_dev,
-+ "could not request IRQ %d for detect pin\n",
-+ gpio_to_irq(host->detect_pin));
- gpio_free(host->detect_pin);
- host->detect_pin = -1;
- }
- }
-
-- printk(KERN_INFO "%s: Atmel MCI controller at 0x%08lx irq %d\n",
-- mmc_hostname(mmc), host->mapbase, irq);
-+ dev_info(&mmc->class_dev, "Atmel MCI controller at 0x%08lx irq %d\n",
-+ host->mapbase, irq);
-
- atmci_init_debugfs(host);
-
---
-1.5.3.2
-
-_______________________________________________
-Kernel mailing list
-Kernel@avr32linux.org
-http://duppen.flaskehals.net/cgi-bin/mailman/listinfo/kernel