Thanks Srini. :)
I should have known this. Thanks again.
On Wed, Sep 17, 2014 at 3:41 AM, Srinivas Kandagatla
<srinivas.kandagatla@xxxxxxxxxx> wrote:
> Hi Pramod,
> Thankyou for the patches.
>
> You should be aware that this driver is due to be *Removed* very soon.
>
> Basically msm_sdcc is a hacked version of mmci driver.
> From v3.17 mmci driver added support for qualcomm specific customization to
> pl180.
> So msm platform should be able to use pl180 mmci driver, rather than using
> msm_sdcc.
>
> Thanks,
> srini
>
>
>
> On 16/09/14 12:15, Pramod Gurav wrote:
>>
>> This change makes changes to use managed version of ioremap, clk_get,
>> request_irq etc for clean unloading of modules. This does away with
>> lables to release these resources.
>>
>> Cc: David Brown <davidb@xxxxxxxxxxxxxx>
>> Cc: Daniel Walker <dwalker@xxxxxxxxxx>
>> Cc: Bryan Huntsman <bryanh@xxxxxxxxxxxxxx>
>> CC: Ulf Hansson <ulf.hansson@xxxxxxxxxx>
>> CC: linux-mmc@xxxxxxxxxxxxxxx
>> CC: linux-arm-msm@xxxxxxxxxxxxxxx
>> Signed-off-by: Pramod Gurav <pramod.gurav@xxxxxxxxxxxxxxx>
>> ---
>> drivers/mmc/host/msm_sdcc.c | 43
>> +++++++++++++++++--------------------------
>> 1 file changed, 17 insertions(+), 26 deletions(-)
>>
>> diff --git a/drivers/mmc/host/msm_sdcc.c b/drivers/mmc/host/msm_sdcc.c
>> index 9405ecd..2b8ac9c 100644
>> --- a/drivers/mmc/host/msm_sdcc.c
>> +++ b/drivers/mmc/host/msm_sdcc.c
>> @@ -1224,7 +1224,7 @@ msmsdcc_probe(struct platform_device *pdev)
>>
>> host->cmdpoll = 1;
>>
>> - host->base = ioremap(memres->start, PAGE_SIZE);
>> + host->base = devm_ioremap(&pdev->dev, memres->start, PAGE_SIZE);
>> if (!host->base) {
>> ret = -ENOMEM;
>> goto host_free;
>> @@ -1244,33 +1244,33 @@ msmsdcc_probe(struct platform_device *pdev)
>> if (host->dmares) {
>> ret = msmsdcc_init_dma(host);
>> if (ret)
>> - goto ioremap_free;
>> + goto tasklet_kill;
>> } else {
>> host->dma.channel = -1;
>> }
>>
>> /* Get our clocks */
>> - host->pclk = clk_get(&pdev->dev, "sdc_pclk");
>> + host->pclk = devm_clk_get(&pdev->dev, "sdc_pclk");
>> if (IS_ERR(host->pclk)) {
>> ret = PTR_ERR(host->pclk);
>> goto dma_free;
>> }
>>
>> - host->clk = clk_get(&pdev->dev, "sdc_clk");
>> + host->clk = devm_clk_get(&pdev->dev, "sdc_clk");
>> if (IS_ERR(host->clk)) {
>> ret = PTR_ERR(host->clk);
>> - goto pclk_put;
>> + goto dma_free;
>> }
>>
>> ret = clk_set_rate(host->clk, msmsdcc_fmin);
>> if (ret) {
>> pr_err("%s: Clock rate set failed (%d)\n", __func__, ret);
>> - goto clk_put;
>> + goto dma_free;
>> }
>>
>> ret = clk_prepare(host->pclk);
>> if (ret)
>> - goto clk_put;
>> + goto dma_free;
>>
>> ret = clk_prepare(host->clk);
>> if (ret)
>> @@ -1322,7 +1322,7 @@ msmsdcc_probe(struct platform_device *pdev)
>> (stat_irqres->flags & IRQF_TRIGGER_MASK);
>>
>> host->stat_irq = stat_irqres->start;
>> - ret = request_irq(host->stat_irq,
>> + ret = devm_request_irq(&pdev->dev, host->stat_irq,
>> msmsdcc_platform_status_irq,
>> irqflags,
>> DRIVER_NAME " (slot)",
>> @@ -1350,15 +1350,15 @@ msmsdcc_probe(struct platform_device *pdev)
>> host->eject = !host->oldstat;
>> }
>>
>> - ret = request_irq(cmd_irqres->start, msmsdcc_irq, IRQF_SHARED,
>> - DRIVER_NAME " (cmd)", host);
>> + ret = devm_request_irq(&pdev->dev, cmd_irqres->start, msmsdcc_irq,
>> + IRQF_SHARED, DRIVER_NAME " (cmd)", host);
>> if (ret)
>> - goto stat_irq_free;
>> + goto clk_disable;
>>
>> - ret = request_irq(cmd_irqres->start, msmsdcc_pio_irq, IRQF_SHARED,
>> - DRIVER_NAME " (pio)", host);
>> + ret = devm_request_irq(&pdev->dev, cmd_irqres->start,
>> msmsdcc_pio_irq,
>> + IRQF_SHARED, DRIVER_NAME " (pio)", host);
>> if (ret)
>> - goto cmd_irq_free;
>> + goto clk_disable;
>>
>> mmc_set_drvdata(pdev, mmc);
>> mmc_add_host(mmc);
>> @@ -1387,28 +1387,19 @@ msmsdcc_probe(struct platform_device *pdev)
>> pr_info("%s: Polling status mode enabled\n",
>> mmc_hostname(mmc));
>>
>> return 0;
>> - cmd_irq_free:
>> - free_irq(cmd_irqres->start, host);
>> - stat_irq_free:
>> - if (host->stat_irq)
>> - free_irq(host->stat_irq, host);
>> +
>> clk_disable:
>> msmsdcc_disable_clocks(host, 0);
>> clk_unprepare:
>> clk_unprepare(host->clk);
>> clk_unprepare_p:
>> clk_unprepare(host->pclk);
>> - clk_put:
>> - clk_put(host->clk);
>> - pclk_put:
>> - clk_put(host->pclk);
>> -dma_free:
>> + dma_free:
>> if (host->dmares)
>> dma_free_coherent(NULL, sizeof(struct msmsdcc_nc_dmadata),
>> host->dma.nc,
>> host->dma.nc_busaddr);
>> -ioremap_free:
>> + tasklet_kill:
>> tasklet_kill(&host->dma_tlet);
>> - iounmap(host->base);
>> host_free:
>> mmc_free_host(mmc);
>> out:
>>
>
--
Thanks and Regards
Pramod
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