Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1285717 > unrolled thread

[PATCH 4.2 037/124] ARM: at91: pm: at91_pm_suspend_in_sram() must be 8-byte aligned

Back to article view | Back to linux.kernel

This discussion starts older than the indexed window; earlier articles aren't shown. The article labeled Started by below is the oldest one visible, not the original post.

Contents

  [PATCH 4.2 037/124] ARM: at91: pm: at91_pm_suspend_in_sram() must be 8-byte aligned Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-12-07 17:10 +0100

#1285717 — [PATCH 4.2 037/124] ARM: at91: pm: at91_pm_suspend_in_sram() must be 8-byte aligned

4.2-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Patrick Doyle <pdoyle@irobot.com>

commit 5fcf8d1a0e84792b2bc44922c5d833dab96a9c1e upstream.

fncpy() requires that the source and the destination are both 8-byte
aligned.

Signed-off-by: Patrick Doyle <pdoyle@irobot.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Fixes: d94e688cae56 ("ARM: at91/pm: move the copying the sram function to the sram initialization phase")
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 arch/arm/mach-at91/pm_suspend.S |    2 ++
 1 file changed, 2 insertions(+)

--- a/arch/arm/mach-at91/pm_suspend.S
+++ b/arch/arm/mach-at91/pm_suspend.S
@@ -80,6 +80,8 @@ tmp2	.req	r5
  *	@r2: base address of second SDRAM Controller or 0 if not present
  *	@r3: pm information
  */
+/* at91_pm_suspend_in_sram must be 8-byte aligned per the requirements of fncpy() */
+	.align 3
 ENTRY(at91_pm_suspend_in_sram)
 	/* Save registers on stack */
 	stmfd	sp!, {r4 - r12, lr}


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

[toc] | [standalone]

Back to top | Article view | linux.kernel

csiph-web