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48 lines
1.5 KiB
Diff
48 lines
1.5 KiB
Diff
From abe81f3b8ed2996e1712d26d38ff6b73f582c616 Mon Sep 17 00:00:00 2001
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From: Javier Martinez Canillas <javier@osg.samsung.com>
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Date: Mon, 2 Jan 2017 11:57:20 -0300
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Subject: tty: serial: msm: Fix module autoload
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From: Javier Martinez Canillas <javier@osg.samsung.com>
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commit abe81f3b8ed2996e1712d26d38ff6b73f582c616 upstream.
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If the driver is built as a module, autoload won't work because the module
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alias information is not filled. So user-space can't match the registered
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device with the corresponding module.
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Export the module alias information using the MODULE_DEVICE_TABLE() macro.
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Before this patch:
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$ modinfo drivers/tty/serial/msm_serial.ko | grep alias
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$
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After this patch:
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$ modinfo drivers/tty/serial/msm_serial.ko | grep alias
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alias: of:N*T*Cqcom,msm-uartdmC*
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alias: of:N*T*Cqcom,msm-uartdm
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alias: of:N*T*Cqcom,msm-uartC*
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alias: of:N*T*Cqcom,msm-uart
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Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
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Acked-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Cc: stable <stable@vger.kernel.org>
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Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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---
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drivers/tty/serial/msm_serial.c | 1 +
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1 file changed, 1 insertion(+)
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--- a/drivers/tty/serial/msm_serial.c
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+++ b/drivers/tty/serial/msm_serial.c
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@@ -1809,6 +1809,7 @@ static const struct of_device_id msm_mat
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{ .compatible = "qcom,msm-uartdm" },
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{}
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};
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+MODULE_DEVICE_TABLE(of, msm_match_table);
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static struct platform_driver msm_platform_driver = {
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.remove = msm_serial_remove,
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