powerpc/85xx: fix race bug of calling request_irq after enable elbc interrupts
Signed-off-by: Shaohui Xie <Shaohui.Xie@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/arch/powerpc/sysdev/fsl_lbc.c b/arch/powerpc/sysdev/fsl_lbc.c
index 0608b16..d917573 100644
--- a/arch/powerpc/sysdev/fsl_lbc.c
+++ b/arch/powerpc/sysdev/fsl_lbc.c
@@ -196,9 +196,6 @@
out_be32(&lbc->lteccr, LTECCR_CLEAR);
out_be32(&lbc->ltedr, LTEDR_ENABLE);
- /* Enable interrupts for any detected events */
- out_be32(&lbc->lteir, LTEIR_ENABLE);
-
/* Set the monitor timeout value to the maximum for erratum A001 */
if (of_device_is_compatible(node, "fsl,elbc"))
clrsetbits_be32(&lbc->lbcr, LBCR_BMT, LBCR_BMTPS);
@@ -322,6 +319,9 @@
goto err;
}
+ /* Enable interrupts for any detected events */
+ out_be32(&fsl_lbc_ctrl_dev->regs->lteir, LTEIR_ENABLE);
+
return 0;
err: