I2C-MPC: Allow for sharing of the interrupt line
On the MPC8548 devices we have multiple I2C-MPC buses however they are on the
same interrupt line. Made request_irq pass SA_SHIRQ now so the second bus can
register for the same IRQ.
Signed-off-by: Kumar Gala <kumar.gala at freescale.com>
---
commit cc75b79f8142eb8a50432cf612bb1ab189136cd0
tree 79fd2184cd5cfee440f3ca2952f7c9f834ece443
parent 52292c9b8c16aa9024a65aaeeca434bb8fec7d24
author Kumar K. Gala <kumar.gala at freescale.com> 1115164017 -0500
committer Kumar K. Gala <kumar.gala at freescale.com> 1115164017 -0500
Index: drivers/i2c/busses/i2c-mpc.c
===================================================================
--- 59c7aae8cab7c4e1e557dd3a4fff6afbffab38e2/drivers/i2c/busses/i2c-mpc.c
(mode:100644 sha1:6f33496d31c31e6c57d3d2479db4afb4dad23617)
+++ 79fd2184cd5cfee440f3ca2952f7c9f834ece443/drivers/i2c/busses/i2c-mpc.c
(mode:100644 sha1:c8a8703dcbcb16fdd5ccd5fddf8f322d2509d5dd)
@@ -325,7 +325,7 @@
if (i2c->irq != OCP_IRQ_NA)
{
if ((result = request_irq(ocp->def->irq, mpc_i2c_isr,
- 0, "i2c-mpc", i2c)) < 0) {
+ SA_SHIRQ, "i2c-mpc", i2c)) < 0) {
printk(KERN_ERR
"i2c-mpc - failed to attach interrupt\n");
goto fail_irq;
@@ -424,7 +424,7 @@
if (i2c->irq != 0)
if ((result = request_irq(i2c->irq, mpc_i2c_isr,
- 0, "fsl-i2c", i2c)) < 0) {
+ SA_SHIRQ, "i2c-mpc", i2c)) < 0) {
printk(KERN_ERR
"i2c-mpc - failed to attach interrupt\n");
goto fail_irq;
