OpenE2K
/
linux
6
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

mpc52xx_psc_spi: fix it for CONFIG_PPC_MERGE 

Fix mpc5200 PSC SPI driver to actually work for CONFIG_PPC_MERGE
 - s/mpc52xx/mpc5200/, as this was changed in device tree some time ago
 - fix spi id detection

The move from 'ppc' to 'powerpc' didn't quite match the latest
kernel.org code.

Signed-off-by: Domen Puncer <domen.puncer@telargo.com>
Acked-by: Dragos Carp <dragos.carp@toptica.com>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Domen Puncer 2007-05-23 13:57:32 -07:00 committed by Linus Torvalds
parent b9ba347f27
commit 8888735fca
1 changed files with 11 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
drivers/spi/mpc52xx_psc_spi.c
View File

@ -329,8 +329,8 @@ static int mpc52xx_psc_spi_port_config(int psc_id, struct mpc52xx_psc_spi *mps)
int ret = 0;
#if defined(CONFIG_PPC_MERGE)
cdm = mpc52xx_find_and_map("mpc52xx-cdm");
gpio = mpc52xx_find_and_map("mpc52xx-gpio");
cdm = mpc52xx_find_and_map("mpc5200-cdm");
gpio = mpc52xx_find_and_map("mpc5200-gpio");
#else
cdm = ioremap(MPC52xx_PA(MPC52xx_CDM_OFFSET), MPC52xx_CDM_SIZE);
gpio = ioremap(MPC52xx_PA(MPC52xx_GPIO_OFFSET), MPC52xx_GPIO_SIZE);
@ -445,9 +445,6 @@ static int __init mpc52xx_psc_spi_do_probe(struct device *dev, u32 regaddr,
struct spi_master *master;
int ret;
if (pdata == NULL)
return -ENODEV;
master = spi_alloc_master(dev, sizeof *mps);
if (master == NULL)
return -ENOMEM;
@ -594,17 +591,17 @@ static int __init mpc52xx_psc_spi_of_probe(struct of_device *op,
}
regaddr64 = of_translate_address(op->node, regaddr_p);
/* get PSC id (1..6, used by port_config) */
if (op->dev.platform_data == NULL) {
struct device_node *np;
int i = 0;
const u32 *psc_nump;
for_each_node_by_type(np, "spi") {
if (of_find_device_by_node(np) == op) {
id = i;
break;
}
i++;
psc_nump = of_get_property(op->node, "cell-index", NULL);
if (!psc_nump || *psc_nump > 5) {
printk(KERN_ERR "mpc52xx_psc_spi: Device node %s has invalid "
"cell-index property\n", op->node->full_name);
return -EINVAL;
}
id = *psc_nump + 1;
}
return mpc52xx_psc_spi_do_probe(&op->dev, (u32)regaddr64, (u32)size64,
@ -617,7 +614,7 @@ static int __exit mpc52xx_psc_spi_of_remove(struct of_device *op)
}
static struct of_device_id mpc52xx_psc_spi_of_match[] = {
{ .type = "spi", .compatible = "mpc52xx-psc-spi", },
{ .type = "spi", .compatible = "mpc5200-psc-spi", },
{},
};