From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kwMF2-0007jL-8j for barebox@lists.infradead.org; Mon, 04 Jan 2021 09:33:33 +0000 Received: from dude.hi.pengutronix.de ([2001:67c:670:100:1d::7]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1kwMEy-0002YU-KD for barebox@lists.infradead.org; Mon, 04 Jan 2021 10:33:28 +0100 Received: from afa by dude.hi.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1kwMEy-0001Ws-BW for barebox@lists.infradead.org; Mon, 04 Jan 2021 10:33:28 +0100 From: Ahmad Fatoum Date: Mon, 4 Jan 2021 10:33:27 +0100 Message-Id: <20210104093327.5830-1-a.fatoum@pengutronix.de> MIME-Version: 1.0 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH] ARM: at91: constify struct at91_ddramc_register parameters To: barebox@lists.infradead.org The SDRAM config passed as struct at91_ddramc_register is read-only, so make it const everywhere to document and enforce this. Signed-off-by: Ahmad Fatoum --- arch/arm/mach-at91/ddramc_ll.c | 6 +++--- arch/arm/mach-at91/include/mach/ddramc.h | 6 +++--- arch/arm/mach-at91/include/mach/sama5d2-sip-ddramc.h | 2 +- arch/arm/mach-at91/include/mach/sama5d2_ll.h | 2 +- arch/arm/mach-at91/sama5d2_ll.c | 2 +- 5 files changed, 9 insertions(+), 9 deletions(-) diff --git a/arch/arm/mach-at91/ddramc_ll.c b/arch/arm/mach-at91/ddramc_ll.c index 4768fdcd6281..77d03720cca4 100644 --- a/arch/arm/mach-at91/ddramc_ll.c +++ b/arch/arm/mach-at91/ddramc_ll.c @@ -12,7 +12,7 @@ void at91_ddram_initialize(void __iomem *base_address, void __iomem *ram_address, - struct at91_ddramc_register *ddramc_config) + const struct at91_ddramc_register *ddramc_config) { unsigned long ba_offset; unsigned long cr = 0; @@ -235,7 +235,7 @@ void at91_ddram_initialize(void __iomem *base_address, void at91_lpddr2_sdram_initialize(void __iomem *base_address, void __iomem *ram_address, - struct at91_ddramc_register *ddramc_config) + const struct at91_ddramc_register *ddramc_config) { unsigned long reg; @@ -386,7 +386,7 @@ void at91_lpddr2_sdram_initialize(void __iomem *base_address, void at91_lpddr1_sdram_initialize(void __iomem *base_address, void __iomem *ram_address, - struct at91_ddramc_register *ddramc_config) + const struct at91_ddramc_register *ddramc_config) { unsigned long ba_offset; diff --git a/arch/arm/mach-at91/include/mach/ddramc.h b/arch/arm/mach-at91/include/mach/ddramc.h index b929bf5f58e8..5d6f3a70b788 100644 --- a/arch/arm/mach-at91/include/mach/ddramc.h +++ b/arch/arm/mach-at91/include/mach/ddramc.h @@ -21,16 +21,16 @@ struct at91_ddramc_register { void at91_ddram_initialize(void __iomem *base_address, void __iomem *ram_address, - struct at91_ddramc_register *ddramc_config); + const struct at91_ddramc_register *ddramc_config); void at91_lpddr2_sdram_initialize(void __iomem *base_address, void __iomem *ram_address, - struct at91_ddramc_register *ddramc_config); + const struct at91_ddramc_register *ddramc_config); void at91_lpddr1_sdram_initialize(void __iomem *base_address, void __iomem *ram_address, - struct at91_ddramc_register *ddramc_config); + const struct at91_ddramc_register *ddramc_config); void __noreturn sama5d2_barebox_entry(unsigned int r4, void *boarddata); diff --git a/arch/arm/mach-at91/include/mach/sama5d2-sip-ddramc.h b/arch/arm/mach-at91/include/mach/sama5d2-sip-ddramc.h index 35c92c43fce8..6a75ac71fc35 100644 --- a/arch/arm/mach-at91/include/mach/sama5d2-sip-ddramc.h +++ b/arch/arm/mach-at91/include/mach/sama5d2-sip-ddramc.h @@ -11,7 +11,7 @@ static inline void sama5d2_d1g_ddrconf(void) /* DDR2 1Gbit SDRAM */ { - struct at91_ddramc_register conf = { + const struct at91_ddramc_register conf = { .mdr = AT91_DDRC2_DBW_16_BITS | AT91_DDRC2_MD_DDR2_SDRAM, .cr = AT91_DDRC2_NC_DDR10_SDR9 | AT91_DDRC2_NR_13 | diff --git a/arch/arm/mach-at91/include/mach/sama5d2_ll.h b/arch/arm/mach-at91/include/mach/sama5d2_ll.h index 96f3bc545284..244b1a706594 100644 --- a/arch/arm/mach-at91/include/mach/sama5d2_ll.h +++ b/arch/arm/mach-at91/include/mach/sama5d2_ll.h @@ -25,7 +25,7 @@ static inline void sama5d2_udelay_init(unsigned int msc) } -void sama5d2_ddr2_init(struct at91_ddramc_register *ddramc_reg_config); +void sama5d2_ddr2_init(const struct at91_ddramc_register *ddramc_reg_config); static inline int sama5d2_pmc_enable_generic_clock(unsigned int periph_id, unsigned int clk_source, diff --git a/arch/arm/mach-at91/sama5d2_ll.c b/arch/arm/mach-at91/sama5d2_ll.c index c3b50617778a..3366a50e8fba 100644 --- a/arch/arm/mach-at91/sama5d2_ll.c +++ b/arch/arm/mach-at91/sama5d2_ll.c @@ -18,7 +18,7 @@ #define sama5d2_pmc_write(off, val) writel(val, SAMA5D2_BASE_PMC + off) #define sama5d2_pmc_read(off) readl(SAMA5D2_BASE_PMC + off) -void sama5d2_ddr2_init(struct at91_ddramc_register *ddramc_reg_config) +void sama5d2_ddr2_init(const struct at91_ddramc_register *ddramc_reg_config) { unsigned int reg; -- 2.29.2 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox