We don't need dev_err() messages when platform_get_irq() fails now that
platform_get_irq() prints an error message itself when something goes
wrong. Let's remove these prints with a simple semantic patch.

// <smpl>
@@
expression ret;
struct platform_device *E;
@@

ret =
(
platform_get_irq(E, ...)
|
platform_get_irq_byname(E, ...)
);

if ( \( ret < 0 \| ret <= 0 \) )
{
(
-if (ret != -EPROBE_DEFER)
-{ ...
-dev_err(...);
-... }
|
...
-dev_err(...);
)
...
}
// </smpl>

While we're here, remove braces on if statements that only have one
statement (manually).

Cc: Jassi Brar <jassisinghb...@gmail.com>
Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org>
Signed-off-by: Stephen Boyd <swb...@chromium.org>
---

Please apply directly to subsystem trees

 drivers/mailbox/armada-37xx-rwtm-mailbox.c | 4 +---
 drivers/mailbox/platform_mhu.c             | 4 +---
 drivers/mailbox/stm32-ipcc.c               | 5 -----
 drivers/mailbox/zynqmp-ipi-mailbox.c       | 4 +---
 4 files changed, 3 insertions(+), 14 deletions(-)

diff --git a/drivers/mailbox/armada-37xx-rwtm-mailbox.c 
b/drivers/mailbox/armada-37xx-rwtm-mailbox.c
index 97f90e97a83c..b52eb09a7c7e 100644
--- a/drivers/mailbox/armada-37xx-rwtm-mailbox.c
+++ b/drivers/mailbox/armada-37xx-rwtm-mailbox.c
@@ -165,10 +165,8 @@ static int armada_37xx_mbox_probe(struct platform_device 
*pdev)
        }
 
        mbox->irq = platform_get_irq(pdev, 0);
-       if (mbox->irq < 0) {
-               dev_err(&pdev->dev, "Cannot get irq\n");
+       if (mbox->irq < 0)
                return mbox->irq;
-       }
 
        mbox->dev = &pdev->dev;
 
diff --git a/drivers/mailbox/platform_mhu.c b/drivers/mailbox/platform_mhu.c
index b6e34952246b..c3bb07d66b53 100644
--- a/drivers/mailbox/platform_mhu.c
+++ b/drivers/mailbox/platform_mhu.c
@@ -137,10 +137,8 @@ static int platform_mhu_probe(struct platform_device *pdev)
        for (i = 0; i < MHU_CHANS; i++) {
                mhu->chan[i].con_priv = &mhu->mlink[i];
                mhu->mlink[i].irq = platform_get_irq(pdev, i);
-               if (mhu->mlink[i].irq < 0) {
-                       dev_err(dev, "failed to get irq%d\n", i);
+               if (mhu->mlink[i].irq < 0)
                        return mhu->mlink[i].irq;
-               }
                mhu->mlink[i].rx_reg = mhu->base + platform_mhu_reg[i];
                mhu->mlink[i].tx_reg = mhu->mlink[i].rx_reg + TX_REG_OFFSET;
        }
diff --git a/drivers/mailbox/stm32-ipcc.c b/drivers/mailbox/stm32-ipcc.c
index 5c2d1e1f988b..43c27909d181 100644
--- a/drivers/mailbox/stm32-ipcc.c
+++ b/drivers/mailbox/stm32-ipcc.c
@@ -258,9 +258,6 @@ static int stm32_ipcc_probe(struct platform_device *pdev)
        for (i = 0; i < IPCC_IRQ_NUM; i++) {
                ipcc->irqs[i] = platform_get_irq_byname(pdev, irq_name[i]);
                if (ipcc->irqs[i] < 0) {
-                       if (ipcc->irqs[i] != -EPROBE_DEFER)
-                               dev_err(dev, "no IRQ specified %s\n",
-                                       irq_name[i]);
                        ret = ipcc->irqs[i];
                        goto err_clk;
                }
@@ -284,8 +281,6 @@ static int stm32_ipcc_probe(struct platform_device *pdev)
        if (of_property_read_bool(np, "wakeup-source")) {
                ipcc->wkp = platform_get_irq_byname(pdev, "wakeup");
                if (ipcc->wkp < 0) {
-                       if (ipcc->wkp != -EPROBE_DEFER)
-                               dev_err(dev, "could not get wakeup IRQ\n");
                        ret = ipcc->wkp;
                        goto err_clk;
                }
diff --git a/drivers/mailbox/zynqmp-ipi-mailbox.c 
b/drivers/mailbox/zynqmp-ipi-mailbox.c
index 86887c9a349a..bb15f62bb72c 100644
--- a/drivers/mailbox/zynqmp-ipi-mailbox.c
+++ b/drivers/mailbox/zynqmp-ipi-mailbox.c
@@ -668,10 +668,8 @@ static int zynqmp_ipi_probe(struct platform_device *pdev)
 
        /* IPI IRQ */
        ret = platform_get_irq(pdev, 0);
-       if (ret < 0) {
-               dev_err(dev, "unable to find IPI IRQ.\n");
+       if (ret < 0)
                goto free_mbox_dev;
-       }
        pdata->irq = ret;
        ret = devm_request_irq(dev, pdata->irq, zynqmp_ipi_interrupt,
                               IRQF_SHARED, dev_name(dev), pdata);
-- 
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