rapidio/tsi721: modify mport name assignment

Modify mport device name assignment to provide clear reference to devices
in systems with multiple Tsi721 bridges.

This patch is applicable to kernel versions starting from v3.2.

Signed-off-by: Alexandre Bounine <alexandre.bounine@idt.com>
Cc: Matt Porter <mporter@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/drivers/rapidio/devices/tsi721.c b/drivers/rapidio/devices/tsi721.c
index d5e1625bbac2432ff7965a2b70ab438b98aa4959..19743597cd9540fe03f03fe97a0ddc70adf1c8be 100644 (file)
--- a/drivers/rapidio/devices/tsi721.c
+++ b/drivers/rapidio/devices/tsi721.c
@@ -2165,7 +2165,8 @@ static int __devinit tsi721_setup_mport(struct tsi721_device *priv)
        rio_init_dbell_res(&mport->riores[RIO_DOORBELL_RESOURCE], 0, 0xffff);
        rio_init_mbox_res(&mport->riores[RIO_INB_MBOX_RESOURCE], 0, 3);
        rio_init_mbox_res(&mport->riores[RIO_OUTB_MBOX_RESOURCE], 0, 3);
-       strcpy(mport->name, "Tsi721 mport");
+       snprintf(mport->name, RIO_MAX_MPORT_NAME, "%s(%s)",
+                dev_driver_string(&pdev->dev), dev_name(&pdev->dev));
 
        /* Hook up interrupt handler */
 

diff --git a/include/linux/rio.h b/include/linux/rio.h
index a90ebadd9da055bb5130782246872a0ef53d8438..1a7b6c7787a5136c0c5617758c9df71ac0ceaee7 100644 (file)
--- a/include/linux/rio.h
+++ b/include/linux/rio.h
@@ -30,6 +30,7 @@
 #define RIO_MAX_MPORTS         8
 #define RIO_MAX_MPORT_RESOURCES        16
 #define RIO_MAX_DEV_RESOURCES  16
+#define RIO_MAX_MPORT_NAME     40
 
 #define RIO_GLOBAL_TABLE       0xff    /* Indicates access of a switch's
                                           global routing table if it
@@ -255,7 +256,7 @@ struct rio_mport {
                                 */
        enum rio_phy_type phy_type;     /* RapidIO phy type */
        u32 phys_efptr;
-       unsigned char name[40];
+       unsigned char name[RIO_MAX_MPORT_NAME];
        void *priv;             /* Master port private data */
 #ifdef CONFIG_RAPIDIO_DMA_ENGINE
        struct dma_device       dma;