Re: [PATCH v2 12/13] da850: pruss SUART platform specific additions.

From: Subhasish Ghosh
Date: Tue Feb 22 2011 - 04:22:48 EST


Hello,

I could not follow your recommendations clearly, are you suggesting this:

int __init da8xx_register_pruss(struct da8xx_pruss_devices *pruss_device)
{
#ifdef CONFIG_SERIAL_PRUSS_SUART_MODULE
int ret;

ret = clk_add_alias(NULL, "da8xx_pruss_uart.1",
NULL, &da850_mcasp_device.dev);
if (ret < 0)
return ret;
#endif
da8xx_pruss_dev.dev.platform_data = pruss_device;
return platform_device_register(&da8xx_pruss_dev);
}

--------------------------------------------------
From: "Sergei Shtylyov" <sshtylyov@xxxxxxxxxx>
Sent: Saturday, February 12, 2011 12:25 AM
To: "Subhasish Ghosh" <subhasish@xxxxxxxxxxxxxxxxxxxx>
Cc: <davinci-linux-open-source@xxxxxxxxxxxxxxxxxxxx>; <sachi@xxxxxxxxxxxxxxxxxxxx>; "Russell King" <linux@xxxxxxxxxxxxxxxx>; "Kevin Hilman" <khilman@xxxxxxxxxxxxxxxxxxx>; <nsekhar@xxxxxx>; "open list" <linux-kernel@xxxxxxxxxxxxxxx>; <m-watkins@xxxxxx>; <linux-arm-kernel@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [PATCH v2 12/13] da850: pruss SUART platform specific additions.

Subhasish Ghosh wrote:

This patch adds the McASP clock alias.
The alias is used by the pruss suart driver
for enabling the McASP PSC.

Signed-off-by: Subhasish Ghosh <subhasish@xxxxxxxxxxxxxxxxxxxx>
[...]

diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c
index e15de72..f1cf605 100644
--- a/arch/arm/mach-davinci/devices-da8xx.c
+++ b/arch/arm/mach-davinci/devices-da8xx.c
@@ -560,7 +560,18 @@ struct platform_device da8xx_pruss_dev = {
int __init da8xx_register_pruss(struct da8xx_pruss_devices *pruss_device)
{
+#ifdef CONFIG_SERIAL_PRUSS_SUART_MODULE

#ifdef's in the function body are generally fromned upon.

+ int ret;
+#endif
+

This line should have been inside #ifdef...

da8xx_pruss_dev.dev.platform_data = pruss_device;
+
+#ifdef CONFIG_SERIAL_PRUSS_SUART_MODULE

Why not do it before assigning the platform data and avoid extra #ifdef?

+ ret = clk_add_alias(NULL, "da8xx_pruss_uart.1",
+ NULL, &da850_mcasp_device.dev);

This line should be indented more to the right.

+ if (ret < 0)
+ return ret;
+#endif

WBR, Sergei

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