mmc: renesas_sdhi: register irqs before registering controller
authorWolfram Sang <wsa+renesas@sang-engineering.com>
Wed, 12 Jul 2023 14:00:11 +0000 (16:00 +0200)
committerUlf Hansson <ulf.hansson@linaro.org>
Wed, 9 Aug 2023 11:21:47 +0000 (13:21 +0200)
IRQs should be ready to serve when we call mmc_add_host() via
tmio_mmc_host_probe(). To achieve that, ensure that all irqs are masked
before registering the handlers.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Tested-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20230712140011.18602-1-wsa+renesas@sang-engineering.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
drivers/mmc/host/renesas_sdhi_core.c

index 345934e4f59e67877f6d0b04a410b37b363f36b5..2d5ef9c37d76932e3f7666da10f54d48a8c59136 100644 (file)
@@ -1006,6 +1006,8 @@ int renesas_sdhi_probe(struct platform_device *pdev,
                host->sdcard_irq_setbit_mask = TMIO_STAT_ALWAYS_SET_27;
                host->sdcard_irq_mask_all = TMIO_MASK_ALL_RCAR2;
                host->reset = renesas_sdhi_reset;
+       } else {
+               host->sdcard_irq_mask_all = TMIO_MASK_ALL;
        }
 
        /* Orginally registers were 16 bit apart, could be 32 or 64 nowadays */
@@ -1100,9 +1102,7 @@ int renesas_sdhi_probe(struct platform_device *pdev,
                host->ops.hs400_complete = renesas_sdhi_hs400_complete;
        }
 
-       ret = tmio_mmc_host_probe(host);
-       if (ret < 0)
-               goto edisclk;
+       sd_ctrl_write32_as_16_and_16(host, CTL_IRQ_MASK, host->sdcard_irq_mask_all);
 
        num_irqs = platform_irq_count(pdev);
        if (num_irqs < 0) {
@@ -1129,6 +1129,10 @@ int renesas_sdhi_probe(struct platform_device *pdev,
                        goto eirq;
        }
 
+       ret = tmio_mmc_host_probe(host);
+       if (ret < 0)
+               goto edisclk;
+
        dev_info(&pdev->dev, "%s base at %pa, max clock rate %u MHz\n",
                 mmc_hostname(host->mmc), &res->start, host->mmc->f_max / 1000000);