Re: [PATCH] [libata] pata_cs5536: Add support for non-X86_32 platforms

From: Sergei Shtylyov
Date: Mon Dec 20 2010 - 06:21:05 EST


Hello.

On 19-12-2010 17:32, Wu Zhangjin wrote:

pata_cs5536 does work on the other platforms(e.g. Loongson, a MIPS
variant), so, remove the dependency of X86_32 and fix the building
errors under the other platforms via only reserving the X86_32 specific
parts for X86_32.

pata_amd also supports cs5536 IDE controller, but this one saves about
33k for the compressed kernel image(vmlinuz for MIPS).

Signed-off-by: Zhang Le <r0bertz@xxxxxxxxxx>
Signed-off-by: Chen Jie <chenj@xxxxxxxxxx>
Signed-off-by: Wu Zhangjin <wuzhangjin@xxxxxxxxx>
[...]

diff --git a/drivers/ata/pata_cs5536.c b/drivers/ata/pata_cs5536.c
index 21ee23f..643488b 100644
--- a/drivers/ata/pata_cs5536.c
+++ b/drivers/ata/pata_cs5536.c
@@ -37,7 +37,17 @@
#include<linux/delay.h>
#include<linux/libata.h>
#include<scsi/scsi_host.h>
+
+#ifdef CONFIG_X86_32
#include<asm/msr.h>
+static int use_msr;
+module_param_named(msr, use_msr, int, 0644);
+MODULE_PARM_DESC(msr, "Force using MSR to configure IDE function (Default: 0)");
+#else
+#define rdmsr(x, y, z) do { } while (0)
+#define wrmsr(x, y, z) do { } while (0)
+#define use_msr 0
+#endif

#define DRV_NAME "pata_cs5536"
#define DRV_VERSION "0.0.7"

I think you should increment the driver version too.

WBR, Sergei
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