On Wed, Jul 18, 2012 at 2:08 PM, Girish K S
<girish.shivananjappa@xxxxxxxxxx> wrote:
> In some Soc'S that integrate Designware mmc host controllers, the
> HCON register is broken. The hardware configuration is not
> updated. One specific usecase is the IDMAC. In Exysons5 SoC
> there exist a internal DMA, but the HCON register's DMA_INTERFACE
> field is not set to indicate its existance.
>
> This quirk can be used in such case to force the existance broken
> HCON field.
>
> changes in v1:
> -modified the caps2 field access per controller index.Reported
> by Jaehoon Chung <jh80.chung@xxxxxxxxxxx>.
> -replaced the pointer to device with the pointer to platform
> device in struct dw_mci.
> -updated driver data for all 4 mmc controllers of exynos5 SoC.
> -added non device-tree support for ctrl_id access.
>
> Signed-off-by: Girish K S <girish.shivananjappa@xxxxxxxxxx>
> ---
> drivers/mmc/host/dw_mmc-pltfm.c | 10 +++-
> drivers/mmc/host/dw_mmc.c | 150 ++++++++++++++++++++++++---------------
> drivers/mmc/host/dw_mmc.h | 1 +
> include/linux/mmc/dw_mmc.h | 2 +-
> include/linux/mmc/host.h | 1 +
> 5 files changed, 106 insertions(+), 58 deletions(-)
>
> diff --git a/drivers/mmc/host/dw_mmc-pltfm.c b/drivers/mmc/host/dw_mmc-pltfm.c
> index 900f412..c8eb573 100644
> --- a/drivers/mmc/host/dw_mmc-pltfm.c
> +++ b/drivers/mmc/host/dw_mmc-pltfm.c
> @@ -35,9 +35,17 @@ static unsigned long exynos5250_dwmmc_caps[4] = {
> MMC_CAP_CMD23,
> };
>
> +static unsigned long exynos5250_dwmmc_caps2[4] = {
> + MMC_CAP2_CONFIG_BROKEN,
> + MMC_CAP2_CONFIG_BROKEN,
> + MMC_CAP2_CONFIG_BROKEN,
> + MMC_CAP2_CONFIG_BROKEN,
> +};
> +
> static struct dw_mci_drv_data exynos5250_drv_data = {
> .ctrl_type = DW_MCI_TYPE_EXYNOS5250,
> .caps = exynos5250_dwmmc_caps,
> + .caps2 = exynos5250_dwmmc_caps2,
> };
>
> static const struct of_device_id dw_mci_pltfm_match[] = {
> @@ -74,7 +82,7 @@ static int dw_mci_pltfm_probe(struct platform_device *pdev)
> goto err_free;
> }
>
> - host->dev = &pdev->dev;
> + host->pdev = pdev;
> host->irq_flags = 0;
> host->pdata = pdev->dev.platform_data;
> ret = -ENOMEM;
> diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
> index 000da16..fd9233d 100644
> --- a/drivers/mmc/host/dw_mmc.c
> +++ b/drivers/mmc/host/dw_mmc.c
> @@ -283,8 +283,10 @@ static u32 dw_mci_prepare_command(struct mmc_host *mmc, struct mmc_command *cmd)
> static void dw_mci_start_command(struct dw_mci *host,
> struct mmc_command *cmd, u32 cmd_flags)
> {
> + struct device *dev = &host->pdev->dev;
> +
> host->cmd = cmd;
> - dev_vdbg(host->dev,
> + dev_vdbg(dev,
> "start command: ARGR=0x%08x CMDR=0x%08x\n",
> cmd->arg, cmd_flags);
>
> @@ -323,10 +325,11 @@ static int dw_mci_get_dma_dir(struct mmc_data *data)
> static void dw_mci_dma_cleanup(struct dw_mci *host)
> {
> struct mmc_data *data = host->data;
> + struct device *dev = &host->pdev->dev;
>
> if (data)
> if (!data->host_cookie)
> - dma_unmap_sg(host->dev,
> + dma_unmap_sg(dev,
> data->sg,
> data->sg_len,
> dw_mci_get_dma_dir(data));
> @@ -351,8 +354,9 @@ static void dw_mci_idmac_stop_dma(struct dw_mci *host)
> static void dw_mci_idmac_complete_dma(struct dw_mci *host)
> {
> struct mmc_data *data = host->data;
> + struct device *dev = &host->pdev->dev;
>
> - dev_vdbg(host->dev, "DMA complete\n");
> + dev_vdbg(dev, "DMA complete\n");
>
> host->dma_ops->cleanup(host);
>
> @@ -420,10 +424,27 @@ static void dw_mci_idmac_start_dma(struct dw_mci *host, unsigned int sg_len)
> mci_writel(host, PLDMND, 1);
> }
>
> +static int dw_get_platform_device_id(struct dw_mci *host)
> +{
> + int ctrl_id;
> + struct device *dev = &host->pdev->dev;
> +
> + if (dev->of_node)
> + ctrl_id = of_alias_get_id(dev->of_node, "mshc");
> + else
> + ctrl_id = host->pdev->id;
> +
> + if (ctrl_id < 0)
> + ctrl_id = 0;
> +
> + return ctrl_id;
> +}
> +
> static int dw_mci_idmac_init(struct dw_mci *host)
> {
> struct idmac_desc *p;
> - int i, dma_support;
> + int i, dma_support, ctrl_id;
> + struct device *dev = &host->pdev->dev;
>
> /* Number of descriptors in the ring buffer */
> host->ring_size = PAGE_SIZE / sizeof(struct idmac_desc);
> @@ -431,14 +452,23 @@ static int dw_mci_idmac_init(struct dw_mci *host)
> /* Check if Hardware Configuration Register has support for DMA */
> dma_support = (mci_readl(host, HCON) >> 16) & 0x3;
>
> - if (!dma_support || dma_support > 2) {
> - dev_err(&host->dev,
> + /*
> + * In Some of the Soc's the HCON Register is broken. Even though the
> + * Soc's has a internal DMA the HCON register's DMA field doesnt
> + * show it. So additional quirk is added for such Soc's
> + */
> + ctrl_id = dw_get_platform_device_id(host);
> +
> + if ((!dma_support || dma_support > 2) &&
> + host->drv_data && host->drv_data->caps2 &&
> + !(host->drv_data->caps2[ctrl_id] & MMC_CAP2_CONFIG_BROKEN)) {
> + dev_err(dev,
> "Host Controller does not support IDMA Tx.\n");
> host->dma_ops = NULL;
> return -ENODEV;
> }
>
> - dev_info(&host->dev, "Using internal DMA controller.\n");
> + dev_info(dev, "Using internal DMA controller.\n");
>
> /* Forward link the descriptor list */
> for (i = 0, p = host->sg_cpu; i < host->ring_size - 1; i++, p++)
> @@ -474,6 +504,7 @@ static int dw_mci_pre_dma_transfer(struct dw_mci *host,
> {
> struct scatterlist *sg;
> unsigned int i, sg_len;
> + struct device *dev = &host->pdev->dev;
>
> if (!next && data->host_cookie)
> return data->host_cookie;
> @@ -494,7 +525,7 @@ static int dw_mci_pre_dma_transfer(struct dw_mci *host,
> return -EINVAL;
> }
>
> - sg_len = dma_map_sg(host->dev,
> + sg_len = dma_map_sg(dev,
> data->sg,
> data->sg_len,
> dw_mci_get_dma_dir(data));
> @@ -532,12 +563,13 @@ static void dw_mci_post_req(struct mmc_host *mmc,
> {
> struct dw_mci_slot *slot = mmc_priv(mmc);
> struct mmc_data *data = mrq->data;
> + struct device *dev = &slot->host->pdev->dev;
>
> if (!slot->host->use_dma || !data)
> return;
>
> if (data->host_cookie)
> - dma_unmap_sg(slot->host->dev,
> + dma_unmap_sg(dev,
> data->sg,
> data->sg_len,
> dw_mci_get_dma_dir(data));
> @@ -548,6 +580,7 @@ static int dw_mci_submit_data_dma(struct dw_mci *host, struct mmc_data *data)
> {
> int sg_len;
> u32 temp;
> + struct device *dev = &host->pdev->dev;
>
> host->using_dma = 0;
>
> @@ -563,7 +596,7 @@ static int dw_mci_submit_data_dma(struct dw_mci *host, struct mmc_data *data)
>
> host->using_dma = 1;
>
> - dev_vdbg(host->dev,
> + dev_vdbg(dev,
> "sd sg_cpu: %#lx sg_dma: %#lx sg_len: %d\n",
> (unsigned long)host->sg_cpu, (unsigned long)host->sg_dma,
> sg_len);
> @@ -928,6 +961,7 @@ static void dw_mci_request_end(struct dw_mci *host, struct mmc_request *mrq)
> {
> struct dw_mci_slot *slot;
> struct mmc_host *prev_mmc = host->cur_slot->mmc;
> + struct device *dev = &host->pdev->dev;
>
> WARN_ON(host->cmd || host->data);
>
> @@ -937,12 +971,12 @@ static void dw_mci_request_end(struct dw_mci *host, struct mmc_request *mrq)
> slot = list_entry(host->queue.next,
> struct dw_mci_slot, queue_node);
> list_del(&slot->queue_node);
> - dev_vdbg(host->dev, "list not empty: %s is next\n",
> + dev_vdbg(dev, "list not empty: %s is next\n",
> mmc_hostname(slot->mmc));
> host->state = STATE_SENDING_CMD;
> dw_mci_start_request(host, slot);
> } else {
> - dev_vdbg(host->dev, "list empty\n");
> + dev_vdbg(dev, "list empty\n");
> host->state = STATE_IDLE;
> }
>
> @@ -1081,7 +1115,7 @@ static void dw_mci_tasklet_func(unsigned long priv)
> data->bytes_xfered = 0;
> data->error = -ETIMEDOUT;
> } else {
> - dev_err(host->dev,
> + dev_err(&host->pdev->dev,
> "data FIFO error "
> "(status=%08x)\n",
> status);
> @@ -1829,7 +1863,8 @@ static u32 dw_mci_of_get_bus_wd(struct device *dev, u8 slot)
>
> static int dw_mci_of_setup_bus(struct dw_mci *host, u8 slot, u32 bus_wd)
> {
> - struct device_node *np = dw_mci_of_find_slot_node(host->dev, slot);
> + struct device *dev = &host->pdev->dev;
> + struct device_node *np = dw_mci_of_find_slot_node(dev, slot);
> int idx, gpio, ret;
>
> if (!np)
> @@ -1838,13 +1873,13 @@ static int dw_mci_of_setup_bus(struct dw_mci *host, u8 slot, u32 bus_wd)
> for (idx = 0; idx < NUM_PINS(bus_wd); idx++) {
> gpio = of_get_gpio(np, idx);
> if (!gpio_is_valid(gpio)) {
> - dev_err(host->dev, "invalid gpio: %d\n", gpio);
> + dev_err(dev, "invalid gpio: %d\n", gpio);
> return -EINVAL;
> }
>
> - ret = devm_gpio_request(host->dev, gpio, "dw-mci-bus");
> + ret = devm_gpio_request(dev, gpio, "dw-mci-bus");
> if (ret) {
> - dev_err(host->dev, "gpio [%d] request failed\n", gpio);
> + dev_err(dev, "gpio [%d] request failed\n", gpio);
> return -EBUSY;
> }
> }
> @@ -1852,11 +1887,11 @@ static int dw_mci_of_setup_bus(struct dw_mci *host, u8 slot, u32 bus_wd)
> host->slot[slot]->wp_gpio = -1;
> gpio = of_get_named_gpio(np, "wp-gpios", 0);
> if (!gpio_is_valid(gpio)) {
> - dev_info(host->dev, "wp gpio not available");
> + dev_info(dev, "wp gpio not available");
> } else {
> - ret = devm_gpio_request(host->dev, gpio, "dw-mci-wp");
> + ret = devm_gpio_request(dev, gpio, "dw-mci-wp");
> if (ret)
> - dev_info(host->dev, "gpio [%d] request failed\n",
> + dev_info(dev, "gpio [%d] request failed\n",
> gpio);
> else
> host->slot[slot]->wp_gpio = gpio;
> @@ -1865,11 +1900,11 @@ static int dw_mci_of_setup_bus(struct dw_mci *host, u8 slot, u32 bus_wd)
> host->slot[slot]->cd_gpio = -1;
> gpio = of_get_named_gpio(np, "cd-gpios", 0);
> if (!gpio_is_valid(gpio)) {
> - dev_info(host->dev, "cd gpio not available");
> + dev_info(dev, "cd gpio not available");
> } else {
> - ret = devm_gpio_request(host->dev, gpio, "dw-mci-cd");
> + ret = devm_gpio_request(dev, gpio, "dw-mci-cd");
> if (ret)
> - dev_err(host->dev, "gpio [%d] request failed\n", gpio);
> + dev_err(dev, "gpio [%d] request failed\n", gpio);
> else
> host->slot[slot]->cd_gpio = gpio;
> }
> @@ -1893,8 +1928,9 @@ static int __init dw_mci_init_slot(struct dw_mci *host, unsigned int id)
> struct mmc_host *mmc;
> struct dw_mci_slot *slot;
> int ctrl_id, ret;
> + struct device *dev = &host->pdev->dev;
>
> - mmc = mmc_alloc_host(sizeof(struct dw_mci_slot), host->dev);
> + mmc = mmc_alloc_host(sizeof(struct dw_mci_slot), dev);
> if (!mmc)
> return -ENOMEM;
>
> @@ -1923,23 +1959,23 @@ static int __init dw_mci_init_slot(struct dw_mci *host, unsigned int id)
> if (host->pdata->caps)
> mmc->caps = host->pdata->caps;
>
> - if (host->dev->of_node) {
> - ctrl_id = of_alias_get_id(host->dev->of_node, "mshc");
> - if (ctrl_id < 0)
> - ctrl_id = 0;
> - }
> + ctrl_id = dw_get_platform_device_id(host);
> +
> if (host->drv_data->caps)
> mmc->caps |= host->drv_data->caps[ctrl_id];
>
> if (host->pdata->caps2)
> mmc->caps2 = host->pdata->caps2;
>
> + if (host->drv_data->caps2)
> + mmc->caps2 |= host->drv_data->caps2[ctrl_id];
> +
> if (host->pdata->get_bus_wd) {
> if (host->pdata->get_bus_wd(slot->id) >= 4)
> mmc->caps |= MMC_CAP_4_BIT_DATA;
> - } else if (host->dev->of_node) {
> + } else if (dev->of_node) {
> unsigned int bus_width;
> - bus_width = dw_mci_of_get_bus_wd(host->dev, slot->id);
> + bus_width = dw_mci_of_get_bus_wd(dev, slot->id);
> switch (bus_width) {
> case 8:
> mmc->caps |= MMC_CAP_8_BIT_DATA;
> @@ -2030,11 +2066,12 @@ static void dw_mci_cleanup_slot(struct dw_mci_slot *slot, unsigned int id)
>
> static void dw_mci_init_dma(struct dw_mci *host)
> {
> + struct device *dev = &host->pdev->dev;
> /* Alloc memory for sg translation */
> - host->sg_cpu = dma_alloc_coherent(host->dev, PAGE_SIZE,
> + host->sg_cpu = dma_alloc_coherent(dev, PAGE_SIZE,
> &host->sg_dma, GFP_KERNEL);
> if (!host->sg_cpu) {
> - dev_err(host->dev, "%s: could not alloc DMA memory\n",
> + dev_err(dev, "%s: could not alloc DMA memory\n",
> __func__);
> goto no_dma;
> }
> @@ -2050,12 +2087,12 @@ static void dw_mci_init_dma(struct dw_mci *host)
> if (host->dma_ops->init && host->dma_ops->start &&
> host->dma_ops->stop && host->dma_ops->cleanup) {
> if (host->dma_ops->init(host)) {
> - dev_err(host->dev, "%s: Unable to initialize "
> + dev_err(dev, "%s: Unable to initialize "
> "DMA Controller.\n", __func__);
> goto no_dma;
> }
> } else {
> - dev_err(host->dev, "DMA initialization not found.\n");
> + dev_err(dev, "DMA initialization not found.\n");
> goto no_dma;
> }
>
> @@ -2063,7 +2100,7 @@ static void dw_mci_init_dma(struct dw_mci *host)
> return;
>
> no_dma:
> - dev_info(host->dev, "Using PIO mode.\n");
> + dev_info(dev, "Using PIO mode.\n");
> host->use_dma = 0;
> return;
> }
> @@ -2109,7 +2146,7 @@ static struct dw_mci_of_quirks {
> static struct dw_mci_board *dw_mci_parse_dt(struct dw_mci *host)
> {
> struct dw_mci_board *pdata;
> - struct device *dev = host->dev;
> + struct device *dev = &host->pdev->dev;
> struct device_node *np = dev->of_node;
> u32 timing[3];
> int idx, cnt;
> @@ -2169,30 +2206,31 @@ int dw_mci_probe(struct dw_mci *host)
> int width, i, ret = 0;
> u32 fifo_size;
> int init_slots = 0;
> + struct device *dev = &host->pdev->dev;
>
> if (!host->pdata) {
> host->pdata = dw_mci_parse_dt(host);
> if (IS_ERR(host->pdata)) {
> - dev_err(host->dev, "platform data not available\n");
> + dev_err(dev, "platform data not available\n");
> return -EINVAL;
> }
> }
>
> if (!host->pdata->select_slot && host->pdata->num_slots > 1) {
> - dev_err(host->dev,
> + dev_err(dev,
> "Platform data must supply select_slot function\n");
> return -ENODEV;
> }
>
> - host->biu_clk = clk_get(host->dev, "biu");
> + host->biu_clk = clk_get(dev, "biu");
> if (IS_ERR(host->biu_clk))
> - dev_dbg(host->dev, "biu clock not available\n");
> + dev_dbg(dev, "biu clock not available\n");
> else
> clk_prepare_enable(host->biu_clk);
>
> - host->ciu_clk = clk_get(host->dev, "ciu");
> + host->ciu_clk = clk_get(dev, "ciu");
> if (IS_ERR(host->ciu_clk))
> - dev_dbg(host->dev, "ciu clock not available\n");
> + dev_dbg(dev, "ciu clock not available\n");
> else
> clk_prepare_enable(host->ciu_clk);
>
> @@ -2202,7 +2240,7 @@ int dw_mci_probe(struct dw_mci *host)
> host->bus_hz = clk_get_rate(host->ciu_clk);
>
> if (!host->bus_hz) {
> - dev_err(host->dev,
> + dev_err(dev,
> "Platform data must supply bus speed\n");
> ret = -ENODEV;
> goto err_clk;
> @@ -2243,7 +2281,7 @@ int dw_mci_probe(struct dw_mci *host)
> }
>
> /* Reset all blocks */
> - if (!mci_wait_reset(host->dev, host))
> + if (!mci_wait_reset(dev, host))
> return -ENODEV;
>
> host->dma_ops = host->pdata->dma_ops;
> @@ -2300,15 +2338,15 @@ int dw_mci_probe(struct dw_mci *host)
> for (i = 0; i < host->num_slots; i++) {
> ret = dw_mci_init_slot(host, i);
> if (ret)
> - dev_dbg(host->dev, "slot %d init failed\n", i);
> + dev_dbg(dev, "slot %d init failed\n", i);
> else
> init_slots++;
> }
>
> if (init_slots) {
> - dev_info(host->dev, "%d slots initialized\n", init_slots);
> + dev_info(dev, "%d slots initialized\n", init_slots);
> } else {
> - dev_dbg(host->dev, "attempted to initialize %d slots, "
> + dev_dbg(dev, "attempted to initialize %d slots, "
> "but failed on all\n", host->num_slots);
> goto err_init_slot;
> }
> @@ -2318,7 +2356,7 @@ int dw_mci_probe(struct dw_mci *host)
> * Need to check the version-id and set data-offset for DATA register.
> */
> host->verid = SDMMC_GET_VERID(mci_readl(host, VERID));
> - dev_info(host->dev, "Version ID is %04x\n", host->verid);
> + dev_info(dev, "Version ID is %04x\n", host->verid);
>
> if (host->verid < DW_MMC_240A)
> host->data_offset = DATA_OFFSET;
> @@ -2335,12 +2373,12 @@ int dw_mci_probe(struct dw_mci *host)
> DW_MCI_ERROR_FLAGS | SDMMC_INT_CD);
> mci_writel(host, CTRL, SDMMC_CTRL_INT_ENABLE); /* Enable mci interrupt */
>
> - dev_info(host->dev, "DW MMC controller at irq %d, "
> + dev_info(dev, "DW MMC controller at irq %d, "
> "%d bit host data width, "
> "%u deep fifo\n",
> host->irq, width, fifo_size);
> if (host->quirks & DW_MCI_QUIRK_IDMAC_DTO)
> - dev_info(host->dev, "Internal DMAC interrupt fix enabled.\n");
> + dev_info(dev, "Internal DMAC interrupt fix enabled.\n");
>
> return 0;
>
> @@ -2353,7 +2391,7 @@ err_workqueue:
> err_dmaunmap:
> if (host->use_dma && host->dma_ops->exit)
> host->dma_ops->exit(host);
> - dma_free_coherent(host->dev, PAGE_SIZE,
> + dma_free_coherent(dev, PAGE_SIZE,
> host->sg_cpu, host->sg_dma);
>
> if (host->vmmc) {
> @@ -2377,23 +2415,23 @@ EXPORT_SYMBOL(dw_mci_probe);
> void dw_mci_remove(struct dw_mci *host)
> {
> int i;
> + struct device *dev = &host->pdev->dev;
>
> mci_writel(host, RINTSTS, 0xFFFFFFFF);
> mci_writel(host, INTMASK, 0); /* disable all mmc interrupt first */
>
> for (i = 0; i < host->num_slots; i++) {
> - dev_dbg(host->dev, "remove slot %d\n", i);
> + dev_dbg(dev, "remove slot %d\n", i);
> if (host->slot[i])
> dw_mci_cleanup_slot(host->slot[i], i);
> }
> -
> /* disable clock to CIU */
> mci_writel(host, CLKENA, 0);
> mci_writel(host, CLKSRC, 0);
>
> free_irq(host->irq, host);
> destroy_workqueue(host->card_workqueue);
> - dma_free_coherent(host->dev, PAGE_SIZE, host->sg_cpu, host->sg_dma);
> + dma_free_coherent(dev, PAGE_SIZE, host->sg_cpu, host->sg_dma);
>
> if (host->use_dma && host->dma_ops->exit)
> host->dma_ops->exit(host);
> @@ -2451,7 +2489,7 @@ int dw_mci_resume(struct dw_mci *host)
> if (host->vmmc)
> regulator_enable(host->vmmc);
>
> - if (!mci_wait_reset(host->dev, host)) {
> + if (!mci_wait_reset(&host->pdev->dev, host)) {
> ret = -ENODEV;
> return ret;
> }
> diff --git a/drivers/mmc/host/dw_mmc.h b/drivers/mmc/host/dw_mmc.h
> index 6c17282..8c4810a 100644
> --- a/drivers/mmc/host/dw_mmc.h
> +++ b/drivers/mmc/host/dw_mmc.h
> @@ -203,6 +203,7 @@ extern int dw_mci_resume(struct dw_mci *host);
> struct dw_mci_drv_data {
> unsigned long ctrl_type;
> unsigned long *caps;
> + unsigned long *caps2;
> };
>
> #endif /* _DW_MMC_H_ */
> diff --git a/include/linux/mmc/dw_mmc.h b/include/linux/mmc/dw_mmc.h
> index 32c778f..71de160 100644
> --- a/include/linux/mmc/dw_mmc.h
> +++ b/include/linux/mmc/dw_mmc.h
> @@ -161,7 +161,7 @@ struct dw_mci {
> u32 fifoth_val;
> u16 verid;
> u16 data_offset;
> - struct device *dev;
> + struct platform_device *pdev;
> struct dw_mci_board *pdata;
> struct dw_mci_drv_data *drv_data;
> struct clk *biu_clk;
> diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
> index 79d8921..b3e35fd 100644
> --- a/include/linux/mmc/host.h
> +++ b/include/linux/mmc/host.h
> @@ -273,6 +273,7 @@ struct mmc_host {
> #define MMC_CAP2_PACKED_WR (1 << 21) /* Allow packed write */
> #define MMC_CAP2_PACKED_CMD (MMC_CAP2_PACKED_RD | \
> MMC_CAP2_PACKED_WR) /* Allow packed commands */
> +#define MMC_CAP2_CONFIG_BROKEN (1 << 22) /* Broken Config Register */
What, broken hardware gets defined as a CAPability these days ?
Please use the QUIRK framework for this.. CAP2 is definitely not the
right place.
Thanks,
Venkat.
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