Identify and print the error source before rebooting the board due to an l3
timeout error. This is helpful when debugging, e.g. via serial.

Signed-off-by: Sicelo A. Mhlongo <absicsz@???>
---
drivers/bus/omap_l3_smx.c | 21 ++++++++++-----------
1 file changed, 10 insertions(+), 11 deletions(-)

diff --git a/drivers/bus/omap_l3_smx.c b/drivers/bus/omap_l3_smx.c
index bb1606f5ce2d..8e1a38bfcd8b 100644
--- a/drivers/bus/omap_l3_smx.c
+++ b/drivers/bus/omap_l3_smx.c
@@ -166,19 +166,10 @@ static irqreturn_t omap3_l3_app_irq(int irq, void *_l3)
     irqreturn_t ret = IRQ_NONE;

     int_type = irq == l3->app_irq ? L3_APPLICATION_ERROR : L3_DEBUG_ERROR;
-    if (!int_type) {
+    if (!int_type)
         status = omap3_l3_readll(l3->rt, L3_SI_FLAG_STATUS_0);
-        /*
-         * if we have a timeout error, there's nothing we can
-         * do besides rebooting the board. So let's BUG on any
-         * of such errors and handle the others. timeout error
-         * is severe and not expected to occur.
-         */
-        BUG_ON(status & L3_STATUS_0_TIMEOUT_MASK);
-    } else {
+    else
         status = omap3_l3_readll(l3->rt, L3_SI_FLAG_STATUS_1);
-        /* No timeout error for debug sources */
-    }

     /* identify the error source */
     err_source = __ffs(status);
@@ -190,6 +181,14 @@ static irqreturn_t omap3_l3_app_irq(int irq, void *_l3)
         ret |= omap3_l3_block_irq(l3, error, error_addr);
     }

+    /*
+     * if we have a timeout error, there's nothing we can
+     * do besides rebooting the board. So let's BUG on any
+     * of such errors and handle the others. timeout error
+     * is severe and not expected to occur.
+     */
+    BUG_ON(!int_type && status & L3_STATUS_0_TIMEOUT_MASK);
+
     /* Clear the status register */
     clear = (L3_AGENT_STATUS_CLEAR_IA << int_type) |
         L3_AGENT_STATUS_CLEAR_TA;
-- 
2.40.1