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[108.48.157.169]) by smtp.gmail.com with UTF8SMTPSA id y11-20020a056214016b00b0066d1d860cd1sm2188516qvs.19.2023.10.28.20.49.02 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 28 Oct 2023 20:49:03 -0700 (PDT) From: Sean Anderson To: u-boot@lists.denx.de, Dario Binacchi , Michael Trimarchi Cc: Tom Rini , Sean Anderson Subject: [PATCH 12/15] nand: Allow reinitialization Date: Sat, 28 Oct 2023 23:48:42 -0400 Message-Id: <20231029034845.1169614-13-seanga2@gmail.com> X-Mailer: git-send-email 2.37.1 In-Reply-To: <20231029034845.1169614-1-seanga2@gmail.com> References: <20231029034845.1169614-1-seanga2@gmail.com> MIME-Version: 1.0 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean NAND devices are destroyed in between unit tests. Provide a function to reinitialize the subsystem at the beginning of each test. Signed-off-by: Sean Anderson Reviewed-by: Dario Binacchi --- drivers/mtd/nand/raw/nand.c | 40 ++++++++++++++++++++++++++++++------- include/nand.h | 1 + 2 files changed, 34 insertions(+), 7 deletions(-) diff --git a/drivers/mtd/nand/raw/nand.c b/drivers/mtd/nand/raw/nand.c index 80017b3dddd..4c18861aa25 100644 --- a/drivers/mtd/nand/raw/nand.c +++ b/drivers/mtd/nand/raw/nand.c @@ -115,6 +115,8 @@ static void nand_init_chip(int i) #endif #ifdef CONFIG_MTD_CONCAT +struct mtd_info *concat_mtd; + static void create_mtd_concat(void) { struct mtd_info *nand_info_list[CONFIG_SYS_MAX_NAND_DEVICE]; @@ -129,28 +131,40 @@ static void create_mtd_concat(void) } } if (nand_devices_found > 1) { - struct mtd_info *mtd; char c_mtd_name[16]; /* * We detected multiple devices. Concatenate them together. */ sprintf(c_mtd_name, "nand%d", nand_devices_found); - mtd = mtd_concat_create(nand_info_list, nand_devices_found, - c_mtd_name); + concat_mtd = mtd_concat_create(nand_info_list, + nand_devices_found, c_mtd_name); - if (mtd == NULL) + if (!concat_mtd) return; - nand_register(nand_devices_found, mtd); + nand_register(nand_devices_found, concat_mtd); } return; } + +static void destroy_mtd_concat(void) +{ + if (!concat_mtd) + return; + + mtd_concat_destroy(concat_mtd); + concat_mtd = NULL; +} #else static void create_mtd_concat(void) { } + +static void destroy_mtd_concat(void) +{ +} #endif unsigned long nand_size(void) @@ -158,10 +172,10 @@ unsigned long nand_size(void) return total_nand_size; } +static int initialized; + void nand_init(void) { - static int initialized; - /* * Avoid initializing NAND Flash multiple times, * otherwise it will calculate a wrong total size. @@ -190,6 +204,18 @@ void nand_init(void) create_mtd_concat(); } +void nand_reinit(void) +{ + int i; + + destroy_mtd_concat(); + for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++) + assert(!nand_info[i]); + + initialized = 0; + nand_init(); +} + unsigned int nand_page_size(void) { struct mtd_info *mtd = get_nand_dev_by_index(nand_curr_device); diff --git a/include/nand.h b/include/nand.h index fc584f5ef7a..220ffa202ef 100644 --- a/include/nand.h +++ b/include/nand.h @@ -11,6 +11,7 @@ #include extern void nand_init(void); +void nand_reinit(void); unsigned long nand_size(void); unsigned int nand_page_size(void);