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ARM: OMAP: Allocate McBSP devices dynamically

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Based on Chandra's earlier patches in linux-omap tree.

Note that omap1_mcbsp_check and omap2_mcbsp_check are no longer
needed as there's now omap_mcbsp_check_valid_id() defined.

Also some functions can now be marked __init.

Signed-off-by: Chandra Shekhar <x0044955@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Chandra Shekhar
2008-10-08 10:01:39 +03:00
committed by Tony Lindgren
parent 25cef22514
commit b4b58f5834
4 changed files with 270 additions and 216 deletions
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28
arch/arm/mach-omap2/mcbsp.c
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@ -28,7 +28,7 @@ struct mcbsp_internal_clk {
int n_childs;
};
#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX)
#if defined(CONFIG_ARCH_OMAP24XX)
static void omap_mcbsp_clk_init(struct mcbsp_internal_clk *mclk)
{
const char *clk_names[] = { "mcbsp_ick", "mcbsp_fck" };
@ -117,18 +117,8 @@ static void omap2_mcbsp_request(unsigned int id)
omap2_mcbsp2_mux_setup();
}
static int omap2_mcbsp_check(unsigned int id)
{
if (id > OMAP_MAX_MCBSP_COUNT - 1) {
printk(KERN_ERR "OMAP-McBSP: McBSP%d doesn't exist\n", id + 1);
return -ENODEV;
}
return 0;
}
static struct omap_mcbsp_ops omap2_mcbsp_ops = {
.request = omap2_mcbsp_request,
.check = omap2_mcbsp_check,
};
#ifdef CONFIG_ARCH_OMAP24XX
@ -185,7 +175,7 @@ static struct omap_mcbsp_platform_data omap34xx_mcbsp_pdata[] = {
#define OMAP34XX_MCBSP_PDATA_SZ 0
#endif
int __init omap2_mcbsp_init(void)
static int __init omap2_mcbsp_init(void)
{
int i;
@ -195,14 +185,20 @@ int __init omap2_mcbsp_init(void)
clk_register(&omap_mcbsp_clks[i].clk);
}
if (cpu_is_omap24xx())
omap_mcbsp_count = OMAP24XX_MCBSP_PDATA_SZ;
if (cpu_is_omap34xx())
omap_mcbsp_count = OMAP34XX_MCBSP_PDATA_SZ;
mcbsp_ptr = kzalloc(omap_mcbsp_count * sizeof(struct omap_mcbsp *),
GFP_KERNEL);
if (!mcbsp_ptr)
return -ENOMEM;
if (cpu_is_omap24xx())
omap_mcbsp_register_board_cfg(omap24xx_mcbsp_pdata,
OMAP24XX_MCBSP_PDATA_SZ);
if (cpu_is_omap34xx())
omap_mcbsp_register_board_cfg(omap34xx_mcbsp_pdata,
OMAP34XX_MCBSP_PDATA_SZ);
return omap_mcbsp_init();
}
arch_initcall(omap2_mcbsp_init);