diff options
| author | Domen Puncer <domen@coderock.org> | 2007-05-23 13:57:32 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-23 20:14:11 -0700 |
| commit | 8888735fcaac7681dbcca67fbcc88cf627c47b3a (patch) | |
| tree | 1c3400a5c6fa6555174a1320e1a4de8538a800f4 /drivers/spi | |
| parent | b9ba347f27f2508e3da023688d047e111cbbe2da (diff) | |
| download | blackbird-op-linux-8888735fcaac7681dbcca67fbcc88cf627c47b3a.tar.gz blackbird-op-linux-8888735fcaac7681dbcca67fbcc88cf627c47b3a.zip | |
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>
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/mpc52xx_psc_spi.c | 25 |
1 files changed, 11 insertions, 14 deletions
diff --git a/drivers/spi/mpc52xx_psc_spi.c b/drivers/spi/mpc52xx_psc_spi.c index 052359fc41ee..11f36bef3057 100644 --- a/drivers/spi/mpc52xx_psc_spi.c +++ b/drivers/spi/mpc52xx_psc_spi.c @@ -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", }, {}, }; |
