From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pawel Moll Date: Wed, 17 Apr 2013 15:17:19 +0000 Subject: [RFC 07/10] mfd: vexpress: Allow external drivers to parse site ids Message-Id: <1366211842-21497-8-git-send-email-pawel.moll@arm.com> List-Id: References: <1366211842-21497-1-git-send-email-pawel.moll@arm.com> In-Reply-To: <1366211842-21497-1-git-send-email-pawel.moll@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-fbdev@vger.kernel.org, linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org, devicetree-discuss@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org Cc: Laurent Pinchart , Linus Walleij , Russell King - ARM Linux , Pawel Moll ... by providing a function translating the MASTER value into the currently valid site number and a _LAST constant providing all possible site id values. Signed-off-by: Pawel Moll --- drivers/mfd/vexpress-sysreg.c | 5 +++++ include/linux/vexpress.h | 2 ++ 2 files changed, 7 insertions(+) diff --git a/drivers/mfd/vexpress-sysreg.c b/drivers/mfd/vexpress-sysreg.c index bf75e96..4158e26 100644 --- a/drivers/mfd/vexpress-sysreg.c +++ b/drivers/mfd/vexpress-sysreg.c @@ -81,6 +81,11 @@ void vexpress_flags_set(u32 data) writel(data, vexpress_sysreg_base + SYS_FLAGSSET); } +u32 vexpress_get_site(int site) +{ + return site == VEXPRESS_SITE_MASTER ? vexpress_master_site : site; +} + u32 vexpress_get_procid(int site) { if (site == VEXPRESS_SITE_MASTER) diff --git a/include/linux/vexpress.h b/include/linux/vexpress.h index 7581874..1ebbcf5 100644 --- a/include/linux/vexpress.h +++ b/include/linux/vexpress.h @@ -19,6 +19,7 @@ #define VEXPRESS_SITE_MB 0 #define VEXPRESS_SITE_DB1 1 #define VEXPRESS_SITE_DB2 2 +#define __VEXPRESS_SITE_LAST 3 #define VEXPRESS_SITE_MASTER 0xf #define VEXPRESS_CONFIG_STATUS_DONE 0 @@ -103,6 +104,7 @@ int vexpress_config_write(struct vexpress_config_func *func, int offset, /* Platform control */ +u32 vexpress_get_site(int site); u32 vexpress_get_procid(int site); u32 vexpress_get_hbi(int site); void *vexpress_get_24mhz_clock_base(void); -- 1.7.10.4