From ac6747ca0d2e01ed55281d1cc95b5dc646735a20 Mon Sep 17 00:00:00 2001 From: Jarkko Nikula Date: Mon, 26 Sep 2011 10:45:43 +0300 Subject: [PATCH] ARM: OMAP: mcbsp: Use per instance register cache size Rationale here is to remove one global variable and to make possible to have variable size McBSP register maps inside SoC. Signed-off-by: Jarkko Nikula Acked-by: Peter Ujfalusi Tested-by: Janusz Krzysztofik Signed-off-by: Tony Lindgren --- arch/arm/plat-omap/include/plat/mcbsp.h | 3 ++- arch/arm/plat-omap/mcbsp.c | 6 +++--- 2 files changed, 5 insertions(+), 4 deletions(-) diff --git a/arch/arm/plat-omap/include/plat/mcbsp.h b/arch/arm/plat-omap/include/plat/mcbsp.h index 0fad63c7df1..648344a89a9 100644 --- a/arch/arm/plat-omap/include/plat/mcbsp.h +++ b/arch/arm/plat-omap/include/plat/mcbsp.h @@ -359,6 +359,7 @@ struct omap_mcbsp { u16 max_tx_thres; u16 max_rx_thres; void *reg_cache; + int reg_cache_size; }; /** @@ -370,7 +371,7 @@ struct omap_mcbsp_dev_attr { }; extern struct omap_mcbsp **mcbsp_ptr; -extern int omap_mcbsp_count, omap_mcbsp_cache_size; +extern int omap_mcbsp_count; #define omap_mcbsp_check_valid_id(id) (id < omap_mcbsp_count) #define id_to_mcbsp_ptr(id) mcbsp_ptr[id]; diff --git a/arch/arm/plat-omap/mcbsp.c b/arch/arm/plat-omap/mcbsp.c index 234ab16e839..3ad536ea6c3 100644 --- a/arch/arm/plat-omap/mcbsp.c +++ b/arch/arm/plat-omap/mcbsp.c @@ -31,7 +31,7 @@ #include "../mach-omap2/cm-regbits-34xx.h" struct omap_mcbsp **mcbsp_ptr; -int omap_mcbsp_count, omap_mcbsp_cache_size; +int omap_mcbsp_count; static void omap_mcbsp_write(struct omap_mcbsp *mcbsp, u16 reg, u32 val) { @@ -678,7 +678,7 @@ int omap_mcbsp_request(unsigned int id) } mcbsp = id_to_mcbsp_ptr(id); - reg_cache = kzalloc(omap_mcbsp_cache_size, GFP_KERNEL); + reg_cache = kzalloc(mcbsp->reg_cache_size, GFP_KERNEL); if (!reg_cache) { return -ENOMEM; } @@ -1225,7 +1225,7 @@ static int __devinit omap_mcbsp_probe(struct platform_device *pdev) } } mcbsp->phys_base = res->start; - omap_mcbsp_cache_size = resource_size(res); + mcbsp->reg_cache_size = resource_size(res); mcbsp->io_base = ioremap(res->start, resource_size(res)); if (!mcbsp->io_base) { ret = -ENOMEM; -- 2.39.5