Re: PATCH[[vme/bridges/vme_ca91cx42.c:1382: Bad if test Bug Fix]ââ

From: Martyn Welch
Date: Mon Jun 16 2014 - 08:22:25 EST


Nick,

Sorry for the delay in responding.

I'm staring at the manual for the ca91c142 and the relevant bits in the VSIx_CTL registers definitely need to be set to 0 for A16, likewise with the LM_CTL register. The pattern (3<<16) would enable one of the "reserved" address spaces.

Martyn

On 12/06/14 15:33, nick wrote:
Here is the fixed patch. Having issues with using Thunderbird
so just used Evolution for now.
Nick
--- drivers/vme/bridges/vme_ca91cx42.h.orig 2014-06-11 22:50:29.339671939 -0400
+++ drivers/vme/bridges/vme_ca91cx42.h 2014-06-11 23:15:36.027685173 -0400
Fixes bug issues with wrong bus width in if statments in vme_ca91cx42.c
Signed-off-by: Nicholas Krause <nickkrause@xxxxxxxxxxxx>
@@ -526,7 +526,7 @@ static const int CA91CX42_LINT_LM[] = {
#define CA91CX42_VSI_CTL_SUPER_SUPR (1<<21)

#define CA91CX42_VSI_CTL_VAS_M (7<<16)
-#define CA91CX42_VSI_CTL_VAS_A16 0
+#define CA91CX42_VSI_CTL_VAS_A16 (3<<16)
#define CA91CX42_VSI_CTL_VAS_A24 (1<<16)
#define CA91CX42_VSI_CTL_VAS_A32 (1<<17)
#define CA91CX42_VSI_CTL_VAS_USER1 (3<<17)
@@ -549,7 +549,7 @@ static const int CA91CX42_LINT_LM[] = {
#define CA91CX42_LM_CTL_SUPR (1<<21)
#define CA91CX42_LM_CTL_NPRIV (1<<20)
#define CA91CX42_LM_CTL_AS_M (5<<16)
-#define CA91CX42_LM_CTL_AS_A16 0
+#define CA91CX42_LM_CTL_AS_A16 (3<<16)
#define CA91CX42_LM_CTL_AS_A24 (1<<16)
#define CA91CX42_LM_CTL_AS_A32 (1<<17)




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