Thread (6 messages) 6 messages, 3 authors, 2012-06-24

Re: [PATCH RESEND] of: add const to struct of_device_id.data

From: Uwe Kleine-König <hidden>
Date: 2012-06-22 05:56:18
Also in: lkml

On Thu, Jun 07, 2012 at 12:20:14PM +0200, Uwe Kleine-König wrote:
Drivers should never need to modify the data of a device id. So it can
be const which in turn allows more consts in the driver.

Signed-off-by: Uwe Kleine-König <redacted>
---
(Cc += lkml + Grant)

Hello,

this might introduce warnings in drivers that access the data member
without using const, so this is definitly merge window material if it is
considered at all.
ping

Best regards
Uwe
quoted hunk ↗ jump to hunk
 include/linux/mod_devicetable.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h
index 501da4c..183f411 100644
--- a/include/linux/mod_devicetable.h
+++ b/include/linux/mod_devicetable.h
@@ -222,7 +222,7 @@ struct of_device_id
 	char	type[32];
 	char	compatible[128];
 #ifdef __KERNEL__
-	void	*data;
+	const void *data;
 #else
 	kernel_ulong_t data;
 #endif
-- 
1.7.10



-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |
-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |
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