Thread (11 messages) 11 messages, 4 authors, 2016-01-19
STALE3810d
Revisions (4)
  1. v1 [diff vs current]
  2. v1 [diff vs current]
  3. v1 current
  4. v2 [diff vs current]

[PATCH 2/5] ARM: OMAP2+: Fix l2dis_3630 for rodata

From: tony@atomide.com (Tony Lindgren)
Date: 2016-01-19 18:40:46
Also in: linux-omap

* Nicolas Pitre [off-list ref] [160119 10:10]:
On Tue, 19 Jan 2016, Tony Lindgren wrote:
quoted
--- a/arch/arm/mach-omap2/sleep34xx.S
+++ b/arch/arm/mach-omap2/sleep34xx.S
@@ -86,7 +86,9 @@ ENTRY(enable_omap3630_toggle_l2_on_restore)
 	stmfd	sp!, {lr}	@ save registers on stack
 	/* Setup so that we will disable and enable l2 */
 	mov	r1, #0x1
-	adrl	r2, l2dis_3630	@ may be too distant for plain adr
+	adrl	r3, l2dis_3630_offset	@ may be too distant for plain adr
+	ldr	r2, [r3]
+	add	r2, r2, r3
 	str	r1, [r2]
You could combine the add with the following str:
OK.
	str	r1, [r2, r3]
quoted
 	ldmfd	sp!, {pc}	@ restore regs and return
 ENDPROC(enable_omap3630_toggle_l2_on_restore)
@@ -415,7 +417,9 @@ ENTRY(omap3_restore)
 	cmp	r2, #0x0	@ Check if target power state was OFF or RET
 	bne	logic_l1_restore
 
-	ldr	r0, l2dis_3630
+	adr	r1, l2dis_3630_offset
+	ldr	r0, [r1]
+	add	r0, r0, r1
 	cmp	r0, #0x1	@ should we disable L2 on 3630?
This looks wrong. You're testing the first bit of the address for 
l2dis_3630 rather than its content.
Ugh yup a ldr missing missing there. Will check the whole series
and repost. Thanks for checking!

Regards,

Tony
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