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authorLinus Torvalds <torvalds@linux-foundation.org>2014-08-06 20:06:14 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2014-08-06 20:06:14 -0700
commitec6c0a77786524e44003e70ea69651ad7fb35aec (patch)
treec7313c8d2830b70ae6243087a82212614df8ca5d /drivers/hsi
parent0498cf8429011ec968870b3fee7570a751575a35 (diff)
parent3fd276e9c0d75538c3b5ed96d0ce36d227fdca95 (diff)
Merge tag 'hsi-for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-hsi
Pull HSI changes from Sebastian Reichel: "Misc fixes in SSI related drivers" * tag 'hsi-for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-hsi: HSI: omap_ssi: Fix return value check in ssi_debug_add_ctrl() HSI: omap_ssi_port: Fix return value check in ssi_debug_add_port() HSI: ssi_protocol: Fix sparse non static symbol warning drivers/hsi/controllers/omap_ssi{,_port}.c: fix failure checks
Diffstat (limited to 'drivers/hsi')
-rw-r--r--drivers/hsi/clients/ssi_protocol.c2
-rw-r--r--drivers/hsi/controllers/omap_ssi.c14
-rw-r--r--drivers/hsi/controllers/omap_ssi_port.c15
3 files changed, 16 insertions, 15 deletions
diff --git a/drivers/hsi/clients/ssi_protocol.c b/drivers/hsi/clients/ssi_protocol.c
index 737fa2e0e782..e5c7a969f28b 100644
--- a/drivers/hsi/clients/ssi_protocol.c
+++ b/drivers/hsi/clients/ssi_protocol.c
@@ -901,7 +901,7 @@ out:
ssip_free_data(msg);
}
-void ssip_port_event(struct hsi_client *cl, unsigned long event)
+static void ssip_port_event(struct hsi_client *cl, unsigned long event)
{
switch (event) {
case HSI_EVENT_START_RX:
diff --git a/drivers/hsi/controllers/omap_ssi.c b/drivers/hsi/controllers/omap_ssi.c
index 0fc7a7fd0140..bf0eace4cb67 100644
--- a/drivers/hsi/controllers/omap_ssi.c
+++ b/drivers/hsi/controllers/omap_ssi.c
@@ -148,14 +148,14 @@ static int __init ssi_debug_add_ctrl(struct hsi_controller *ssi)
/* SSI controller */
omap_ssi->dir = debugfs_create_dir(dev_name(&ssi->device), NULL);
- if (IS_ERR(omap_ssi->dir))
- return PTR_ERR(omap_ssi->dir);
+ if (!omap_ssi->dir)
+ return -ENOMEM;
debugfs_create_file("regs", S_IRUGO, omap_ssi->dir, ssi,
&ssi_regs_fops);
/* SSI GDD (DMA) */
dir = debugfs_create_dir("gdd", omap_ssi->dir);
- if (IS_ERR(dir))
+ if (!dir)
goto rback;
debugfs_create_file("regs", S_IRUGO, dir, ssi, &ssi_gdd_regs_fops);
@@ -163,7 +163,7 @@ static int __init ssi_debug_add_ctrl(struct hsi_controller *ssi)
rback:
debugfs_remove_recursive(omap_ssi->dir);
- return PTR_ERR(dir);
+ return -ENOMEM;
}
static void ssi_debug_remove_ctrl(struct hsi_controller *ssi)
@@ -353,12 +353,12 @@ static int __init ssi_add_controller(struct hsi_controller *ssi,
err = ssi_get_iomem(pd, "gdd", &omap_ssi->gdd, NULL);
if (err < 0)
goto out_err;
- omap_ssi->gdd_irq = platform_get_irq_byname(pd, "gdd_mpu");
- if (omap_ssi->gdd_irq < 0) {
+ err = platform_get_irq_byname(pd, "gdd_mpu");
+ if (err < 0) {
dev_err(&pd->dev, "GDD IRQ resource missing\n");
- err = omap_ssi->gdd_irq;
goto out_err;
}
+ omap_ssi->gdd_irq = err;
tasklet_init(&omap_ssi->gdd_tasklet, ssi_gdd_tasklet,
(unsigned long)ssi);
err = devm_request_irq(&ssi->device, omap_ssi->gdd_irq, ssi_gdd_isr,
diff --git a/drivers/hsi/controllers/omap_ssi_port.c b/drivers/hsi/controllers/omap_ssi_port.c
index 29aea0b93360..4c0b5820581e 100644
--- a/drivers/hsi/controllers/omap_ssi_port.c
+++ b/drivers/hsi/controllers/omap_ssi_port.c
@@ -177,13 +177,13 @@ static int __init ssi_debug_add_port(struct omap_ssi_port *omap_port,
struct hsi_port *port = to_hsi_port(omap_port->dev);
dir = debugfs_create_dir(dev_name(omap_port->dev), dir);
- if (IS_ERR(dir))
- return PTR_ERR(dir);
+ if (!dir)
+ return -ENOMEM;
omap_port->dir = dir;
debugfs_create_file("regs", S_IRUGO, dir, port, &ssi_port_regs_fops);
dir = debugfs_create_dir("sst", dir);
- if (IS_ERR(dir))
- return PTR_ERR(dir);
+ if (!dir)
+ return -ENOMEM;
debugfs_create_file("divisor", S_IRUGO | S_IWUSR, dir, port,
&ssi_sst_div_fops);
@@ -1013,11 +1013,12 @@ static int __init ssi_port_irq(struct hsi_port *port,
struct omap_ssi_port *omap_port = hsi_port_drvdata(port);
int err;
- omap_port->irq = platform_get_irq(pd, 0);
- if (omap_port->irq < 0) {
+ err = platform_get_irq(pd, 0);
+ if (err < 0) {
dev_err(&port->device, "Port IRQ resource missing\n");
- return omap_port->irq;
+ return err;
}
+ omap_port->irq = err;
tasklet_init(&omap_port->pio_tasklet, ssi_pio_tasklet,
(unsigned long)port);
err = devm_request_irq(&port->device, omap_port->irq, ssi_pio_isr,