spi/dw: Add spi number into spi irq desc

Signed-off-by: ShuoX Liu <shuox.liu@intel.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/spi/spi-dw.c b/drivers/spi/spi-dw.c
index ece5f69deaaf..857cd30b44bb 100644
--- a/drivers/spi/spi-dw.c
+++ b/drivers/spi/spi-dw.c
@@ -818,9 +818,11 @@ int __devinit dw_spi_add_host(struct dw_spi *dws)
         dws->prev_chip = NULL;
         dws->dma_inited = 0;
         dws->dma_addr = (dma_addr_t)(dws->paddr + 0x60);
+        snprintf(dws->name, sizeof(dws->name), "dw_spi%d",
+                        dws->bus_num);
 
         ret = request_irq(dws->irq, dw_spi_irq, IRQF_SHARED,
-                        "dw_spi", dws);
+                        dws->name, dws);
         if (ret < 0) {
                 dev_err(&master->dev, "can not get IRQ\n");
                 goto err_free_master;