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[23.128.96.18]) by mx.google.com with ESMTP id cw19si3040400edb.211.2021.03.06.02.07.10; Sat, 06 Mar 2021 02:07:32 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=fail header.i=@microchip.com header.s=mchp header.b=aZ1mNUD8; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=microchip.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230135AbhCFJu1 (ORCPT + 99 others); Sat, 6 Mar 2021 04:50:27 -0500 Received: from esa.microchip.iphmx.com ([68.232.153.233]:37008 "EHLO esa.microchip.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229782AbhCFJuR (ORCPT ); Sat, 6 Mar 2021 04:50:17 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1615024217; x=1646560217; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=PsOk4rFOQ/dSpsD0csoV74Acj9W64l71Io7lHfbk35s=; b=aZ1mNUD8qAU+o16bWN1MMAzmgqsRKt1x4wsfJsCXmVkPhJvx/ZuG0RWQ wK1Hpf8INmlgDTqQtqDrkR7JlspFMYr5Q4MmZByU1vdP6mf6kGnyEFxrK TY1bafO60FuSrWz0wh0o0qj4WeI2A7rMWqasW3aen+QuXG8OKVBuYJleX fJQYUBn+ez5mCyCOH9VXTVDaWOVFfxsvzuzLjNpBQxepqReYfNdCqf8wi 0/iCErDltvDfOS1U+u77tWjW3owQ3Uu0gYldD80Kvn0aMOtYiUaoRHtkc D+2OdM8uafrTQ5GIZygfYbft9DIWHYQ1f9ypNUbUxhSnf0WVzeuTFVxoa g==; IronPort-SDR: beaBLT/sTFwrm0wRUJF4THNifrhUwWNAgdsSXhdKqFLcqkuMGFLR2SaYBXi9bzrLqKhNFfkuX3 TmvM9tPnH/ubhrdWyDI/ngRA6Qera2O5YKO1294hNWhYc/2IiiQGlJizUN1gFZx6Lsl6W1PNaW VBarrF28OyS0cuD51rvOEyT/6r4UcDcOBNxdNjj1d1joHvGDjaKzzR4n6RLkPwXBZpOFQEYPsZ aSWXG1hsKh4lDDY6W7aFj/dI00U9SmsK61zmxFQw9xTb9T46DJR/9yMbrbzf7w8dpgWnsWHnv+ Qo8= X-IronPort-AV: E=Sophos;i="5.81,227,1610434800"; d="scan'208";a="111726346" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa5.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 06 Mar 2021 02:50:16 -0700 Received: from chn-vm-ex02.mchp-main.com (10.10.87.72) by chn-vm-ex02.mchp-main.com (10.10.87.72) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Sat, 6 Mar 2021 02:50:16 -0700 Received: from atudor-ThinkPad-T470p.amer.actel.com (10.10.115.15) by chn-vm-ex02.mchp-main.com (10.10.85.144) with Microsoft SMTP Server id 15.1.2176.2 via Frontend Transport; Sat, 6 Mar 2021 02:50:14 -0700 From: Tudor Ambarus To: , , CC: , , , , Tudor Ambarus Subject: [PATCH v2 3/5] mtd: spi-nor: Get rid of duplicated argument in spi_nor_parse_sfdp() Date: Sat, 6 Mar 2021 11:50:00 +0200 Message-ID: <20210306095002.22983-4-tudor.ambarus@microchip.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210306095002.22983-1-tudor.ambarus@microchip.com> References: <20210306095002.22983-1-tudor.ambarus@microchip.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org spi_nor_parse_sfdp(nor, nor->params); passes for the second argument a member within the first argument. Drop the second argument and obtain it directly from the first, and do it across all the children functions. This is a follow up for 'commit 69a8eed58cc0 ("mtd: spi-nor: Don't copy self-pointing struct around")' Signed-off-by: Tudor Ambarus --- v2: Add params local variable in spi_nor_parse_4bait(), because params is used in multiple locations. drivers/mtd/spi-nor/core.c | 10 ++--- drivers/mtd/spi-nor/core.h | 6 +-- drivers/mtd/spi-nor/issi.c | 3 +- drivers/mtd/spi-nor/macronix.c | 3 +- drivers/mtd/spi-nor/sfdp.c | 72 +++++++++++++--------------------- drivers/mtd/spi-nor/sfdp.h | 3 +- drivers/mtd/spi-nor/spansion.c | 12 +++--- drivers/mtd/spi-nor/winbond.c | 3 +- 8 files changed, 42 insertions(+), 70 deletions(-) diff --git a/drivers/mtd/spi-nor/core.c b/drivers/mtd/spi-nor/core.c index 498da1ec3a89..d12f14aba957 100644 --- a/drivers/mtd/spi-nor/core.c +++ b/drivers/mtd/spi-nor/core.c @@ -2629,22 +2629,20 @@ void spi_nor_init_uniform_erase_map(struct spi_nor_erase_map *map, int spi_nor_post_bfpt_fixups(struct spi_nor *nor, const struct sfdp_parameter_header *bfpt_header, - const struct sfdp_bfpt *bfpt, - struct spi_nor_flash_parameter *params) + const struct sfdp_bfpt *bfpt) { int ret; if (nor->manufacturer && nor->manufacturer->fixups && nor->manufacturer->fixups->post_bfpt) { ret = nor->manufacturer->fixups->post_bfpt(nor, bfpt_header, - bfpt, params); + bfpt); if (ret) return ret; } if (nor->info->fixups && nor->info->fixups->post_bfpt) - return nor->info->fixups->post_bfpt(nor, bfpt_header, bfpt, - params); + return nor->info->fixups->post_bfpt(nor, bfpt_header, bfpt); return 0; } @@ -2899,7 +2897,7 @@ static void spi_nor_sfdp_init_params(struct spi_nor *nor) memcpy(&sfdp_params, nor->params, sizeof(sfdp_params)); - if (spi_nor_parse_sfdp(nor, nor->params)) { + if (spi_nor_parse_sfdp(nor)) { memcpy(nor->params, &sfdp_params, sizeof(*nor->params)); nor->addr_width = 0; nor->flags &= ~SNOR_F_4B_OPCODES; diff --git a/drivers/mtd/spi-nor/core.h b/drivers/mtd/spi-nor/core.h index 4a3f7f150b5d..db07832ee66c 100644 --- a/drivers/mtd/spi-nor/core.h +++ b/drivers/mtd/spi-nor/core.h @@ -261,8 +261,7 @@ struct spi_nor_fixups { void (*default_init)(struct spi_nor *nor); int (*post_bfpt)(struct spi_nor *nor, const struct sfdp_parameter_header *bfpt_header, - const struct sfdp_bfpt *bfpt, - struct spi_nor_flash_parameter *params); + const struct sfdp_bfpt *bfpt); void (*post_sfdp)(struct spi_nor *nor); }; @@ -470,8 +469,7 @@ void spi_nor_init_uniform_erase_map(struct spi_nor_erase_map *map, int spi_nor_post_bfpt_fixups(struct spi_nor *nor, const struct sfdp_parameter_header *bfpt_header, - const struct sfdp_bfpt *bfpt, - struct spi_nor_flash_parameter *params); + const struct sfdp_bfpt *bfpt); static struct spi_nor __maybe_unused *mtd_to_spi_nor(struct mtd_info *mtd) { diff --git a/drivers/mtd/spi-nor/issi.c b/drivers/mtd/spi-nor/issi.c index ffcb60e54a80..1e5bb5408b68 100644 --- a/drivers/mtd/spi-nor/issi.c +++ b/drivers/mtd/spi-nor/issi.c @@ -11,8 +11,7 @@ static int is25lp256_post_bfpt_fixups(struct spi_nor *nor, const struct sfdp_parameter_header *bfpt_header, - const struct sfdp_bfpt *bfpt, - struct spi_nor_flash_parameter *params) + const struct sfdp_bfpt *bfpt) { /* * IS25LP256 supports 4B opcodes, but the BFPT advertises a diff --git a/drivers/mtd/spi-nor/macronix.c b/drivers/mtd/spi-nor/macronix.c index 9203abaac229..6c2680b4cdad 100644 --- a/drivers/mtd/spi-nor/macronix.c +++ b/drivers/mtd/spi-nor/macronix.c @@ -11,8 +11,7 @@ static int mx25l25635_post_bfpt_fixups(struct spi_nor *nor, const struct sfdp_parameter_header *bfpt_header, - const struct sfdp_bfpt *bfpt, - struct spi_nor_flash_parameter *params) + const struct sfdp_bfpt *bfpt) { /* * MX25L25635F supports 4B opcodes but MX25L25635E does not. diff --git a/drivers/mtd/spi-nor/sfdp.c b/drivers/mtd/spi-nor/sfdp.c index 25142ec4737b..23c28e91f698 100644 --- a/drivers/mtd/spi-nor/sfdp.c +++ b/drivers/mtd/spi-nor/sfdp.c @@ -405,8 +405,6 @@ static void spi_nor_regions_sort_erase_types(struct spi_nor_erase_map *map) * @nor: pointer to a 'struct spi_nor' * @bfpt_header: pointer to the 'struct sfdp_parameter_header' describing * the Basic Flash Parameter Table length and version - * @params: pointer to the 'struct spi_nor_flash_parameter' to be - * filled * * The Basic Flash Parameter Table is the main and only mandatory table as * defined by the SFDP (JESD216) specification. @@ -431,9 +429,9 @@ static void spi_nor_regions_sort_erase_types(struct spi_nor_erase_map *map) * Return: 0 on success, -errno otherwise. */ static int spi_nor_parse_bfpt(struct spi_nor *nor, - const struct sfdp_parameter_header *bfpt_header, - struct spi_nor_flash_parameter *params) + const struct sfdp_parameter_header *bfpt_header) { + struct spi_nor_flash_parameter *params = nor->params; struct spi_nor_erase_map *map = ¶ms->erase_map; struct spi_nor_erase_type *erase_type = map->erase_type; struct sfdp_bfpt bfpt; @@ -552,8 +550,7 @@ static int spi_nor_parse_bfpt(struct spi_nor *nor, /* Stop here if not JESD216 rev A or later. */ if (bfpt_header->length == BFPT_DWORD_MAX_JESD216) - return spi_nor_post_bfpt_fixups(nor, bfpt_header, &bfpt, - params); + return spi_nor_post_bfpt_fixups(nor, bfpt_header, &bfpt); /* Page size: this field specifies 'N' so the page size = 2^N bytes. */ val = bfpt.dwords[BFPT_DWORD(11)]; @@ -614,8 +611,8 @@ static int spi_nor_parse_bfpt(struct spi_nor *nor, /* Stop here if not JESD216 rev C or later. */ if (bfpt_header->length == BFPT_DWORD_MAX_JESD216B) - return spi_nor_post_bfpt_fixups(nor, bfpt_header, &bfpt, - params); + return spi_nor_post_bfpt_fixups(nor, bfpt_header, &bfpt); + /* 8D-8D-8D command extension. */ switch (bfpt.dwords[BFPT_DWORD(18)] & BFPT_DWORD18_CMD_EXT_MASK) { case BFPT_DWORD18_CMD_EXT_REP: @@ -635,7 +632,7 @@ static int spi_nor_parse_bfpt(struct spi_nor *nor, return -EOPNOTSUPP; } - return spi_nor_post_bfpt_fixups(nor, bfpt_header, &bfpt, params); + return spi_nor_post_bfpt_fixups(nor, bfpt_header, &bfpt); } /** @@ -800,18 +797,14 @@ spi_nor_region_check_overlay(struct spi_nor_erase_region *region, /** * spi_nor_init_non_uniform_erase_map() - initialize the non-uniform erase map * @nor: pointer to a 'struct spi_nor' - * @params: pointer to a duplicate 'struct spi_nor_flash_parameter' that is - * used for storing SFDP parsed data * @smpt: pointer to the sector map parameter table * * Return: 0 on success, -errno otherwise. */ -static int -spi_nor_init_non_uniform_erase_map(struct spi_nor *nor, - struct spi_nor_flash_parameter *params, - const u32 *smpt) +static int spi_nor_init_non_uniform_erase_map(struct spi_nor *nor, + const u32 *smpt) { - struct spi_nor_erase_map *map = ¶ms->erase_map; + struct spi_nor_erase_map *map = &nor->params->erase_map; struct spi_nor_erase_type *erase = map->erase_type; struct spi_nor_erase_region *region; u64 offset; @@ -889,8 +882,6 @@ spi_nor_init_non_uniform_erase_map(struct spi_nor *nor, * spi_nor_parse_smpt() - parse Sector Map Parameter Table * @nor: pointer to a 'struct spi_nor' * @smpt_header: sector map parameter table header - * @params: pointer to a duplicate 'struct spi_nor_flash_parameter' - * that is used for storing SFDP parsed data * * This table is optional, but when available, we parse it to identify the * location and size of sectors within the main data array of the flash memory @@ -899,8 +890,7 @@ spi_nor_init_non_uniform_erase_map(struct spi_nor *nor, * Return: 0 on success, -errno otherwise. */ static int spi_nor_parse_smpt(struct spi_nor *nor, - const struct sfdp_parameter_header *smpt_header, - struct spi_nor_flash_parameter *params) + const struct sfdp_parameter_header *smpt_header) { const u32 *sector_map; u32 *smpt; @@ -928,11 +918,11 @@ static int spi_nor_parse_smpt(struct spi_nor *nor, goto out; } - ret = spi_nor_init_non_uniform_erase_map(nor, params, sector_map); + ret = spi_nor_init_non_uniform_erase_map(nor, sector_map); if (ret) goto out; - spi_nor_regions_sort_erase_types(¶ms->erase_map); + spi_nor_regions_sort_erase_types(&nor->params->erase_map); /* fall through */ out: kfree(smpt); @@ -944,13 +934,11 @@ static int spi_nor_parse_smpt(struct spi_nor *nor, * @nor: pointer to a 'struct spi_nor'. * @param_header: pointer to the 'struct sfdp_parameter_header' describing * the 4-Byte Address Instruction Table length and version. - * @params: pointer to the 'struct spi_nor_flash_parameter' to be. * * Return: 0 on success, -errno otherwise. */ static int spi_nor_parse_4bait(struct spi_nor *nor, - const struct sfdp_parameter_header *param_header, - struct spi_nor_flash_parameter *params) + const struct sfdp_parameter_header *param_header) { static const struct sfdp_4bait reads[] = { { SNOR_HWCAPS_READ, BIT(0) }, @@ -974,6 +962,7 @@ static int spi_nor_parse_4bait(struct spi_nor *nor, { 0u /* not used */, BIT(11) }, { 0u /* not used */, BIT(12) }, }; + struct spi_nor_flash_parameter *params = nor->params; struct spi_nor_pp_command *params_pp = params->page_programs; struct spi_nor_erase_map *map = ¶ms->erase_map; struct spi_nor_erase_type *erase_type = map->erase_type; @@ -1130,13 +1119,11 @@ static int spi_nor_parse_4bait(struct spi_nor *nor, * @nor: pointer to a 'struct spi_nor' * @profile1_header: pointer to the 'struct sfdp_parameter_header' describing * the Profile 1.0 Table length and version. - * @params: pointer to the 'struct spi_nor_flash_parameter' to be. * * Return: 0 on success, -errno otherwise. */ static int spi_nor_parse_profile1(struct spi_nor *nor, - const struct sfdp_parameter_header *profile1_header, - struct spi_nor_flash_parameter *params) + const struct sfdp_parameter_header *profile1_header) { u32 *dwords, addr; size_t len; @@ -1160,14 +1147,14 @@ static int spi_nor_parse_profile1(struct spi_nor *nor, /* Set the Read Status Register dummy cycles and dummy address bytes. */ if (dwords[0] & PROFILE1_DWORD1_RDSR_DUMMY) - params->rdsr_dummy = 8; + nor->params->rdsr_dummy = 8; else - params->rdsr_dummy = 4; + nor->params->rdsr_dummy = 4; if (dwords[0] & PROFILE1_DWORD1_RDSR_ADDR_BYTES) - params->rdsr_addr_nbytes = 4; + nor->params->rdsr_addr_nbytes = 4; else - params->rdsr_addr_nbytes = 0; + nor->params->rdsr_addr_nbytes = 0; /* * We don't know what speed the controller is running at. Find the @@ -1193,7 +1180,7 @@ static int spi_nor_parse_profile1(struct spi_nor *nor, dummy = round_up(dummy, 2); /* Update the fast read settings. */ - spi_nor_set_read_settings(¶ms->reads[SNOR_CMD_READ_8_8_8_DTR], + spi_nor_set_read_settings(&nor->params->reads[SNOR_CMD_READ_8_8_8_DTR], 0, dummy, opcode, SNOR_PROTO_8_8_8_DTR); @@ -1210,13 +1197,11 @@ static int spi_nor_parse_profile1(struct spi_nor *nor, * @nor: pointer to a 'struct spi_nor' * @sccr_header: pointer to the 'struct sfdp_parameter_header' describing * the SCCR Map table length and version. - * @params: pointer to the 'struct spi_nor_flash_parameter' to be. * * Return: 0 on success, -errno otherwise. */ static int spi_nor_parse_sccr(struct spi_nor *nor, - const struct sfdp_parameter_header *sccr_header, - struct spi_nor_flash_parameter *params) + const struct sfdp_parameter_header *sccr_header) { u32 *dwords, addr; size_t len; @@ -1245,8 +1230,6 @@ static int spi_nor_parse_sccr(struct spi_nor *nor, /** * spi_nor_parse_sfdp() - parse the Serial Flash Discoverable Parameters. * @nor: pointer to a 'struct spi_nor' - * @params: pointer to the 'struct spi_nor_flash_parameter' to be - * filled * * The Serial Flash Discoverable Parameters are described by the JEDEC JESD216 * specification. This is a standard which tends to supported by almost all @@ -1256,8 +1239,7 @@ static int spi_nor_parse_sccr(struct spi_nor *nor, * * Return: 0 on success, -errno otherwise. */ -int spi_nor_parse_sfdp(struct spi_nor *nor, - struct spi_nor_flash_parameter *params) +int spi_nor_parse_sfdp(struct spi_nor *nor) { const struct sfdp_parameter_header *param_header, *bfpt_header; struct sfdp_parameter_header *param_headers = NULL; @@ -1326,7 +1308,7 @@ int spi_nor_parse_sfdp(struct spi_nor *nor, bfpt_header = param_header; } - err = spi_nor_parse_bfpt(nor, bfpt_header, params); + err = spi_nor_parse_bfpt(nor, bfpt_header); if (err) goto exit; @@ -1336,19 +1318,19 @@ int spi_nor_parse_sfdp(struct spi_nor *nor, switch (SFDP_PARAM_HEADER_ID(param_header)) { case SFDP_SECTOR_MAP_ID: - err = spi_nor_parse_smpt(nor, param_header, params); + err = spi_nor_parse_smpt(nor, param_header); break; case SFDP_4BAIT_ID: - err = spi_nor_parse_4bait(nor, param_header, params); + err = spi_nor_parse_4bait(nor, param_header); break; case SFDP_PROFILE1_ID: - err = spi_nor_parse_profile1(nor, param_header, params); + err = spi_nor_parse_profile1(nor, param_header); break; case SFDP_SCCR_MAP_ID: - err = spi_nor_parse_sccr(nor, param_header, params); + err = spi_nor_parse_sccr(nor, param_header); break; default: diff --git a/drivers/mtd/spi-nor/sfdp.h b/drivers/mtd/spi-nor/sfdp.h index 89152ae1cf3e..bbf80d2990ab 100644 --- a/drivers/mtd/spi-nor/sfdp.h +++ b/drivers/mtd/spi-nor/sfdp.h @@ -107,7 +107,6 @@ struct sfdp_parameter_header { u8 id_msb; }; -int spi_nor_parse_sfdp(struct spi_nor *nor, - struct spi_nor_flash_parameter *params); +int spi_nor_parse_sfdp(struct spi_nor *nor); #endif /* __LINUX_MTD_SFDP_H */ diff --git a/drivers/mtd/spi-nor/spansion.c b/drivers/mtd/spi-nor/spansion.c index b0c5521c1e27..ee82dcd75310 100644 --- a/drivers/mtd/spi-nor/spansion.c +++ b/drivers/mtd/spi-nor/spansion.c @@ -142,8 +142,7 @@ static void s28hs512t_post_sfdp_fixup(struct spi_nor *nor) static int s28hs512t_post_bfpt_fixup(struct spi_nor *nor, const struct sfdp_parameter_header *bfpt_header, - const struct sfdp_bfpt *bfpt, - struct spi_nor_flash_parameter *params) + const struct sfdp_bfpt *bfpt) { /* * The BFPT table advertises a 512B page size but the page size is @@ -162,9 +161,9 @@ static int s28hs512t_post_bfpt_fixup(struct spi_nor *nor, return ret; if (nor->bouncebuf[0] & SPINOR_REG_CYPRESS_CFR3V_PGSZ) - params->page_size = 512; + nor->params->page_size = 512; else - params->page_size = 256; + nor->params->page_size = 256; return 0; } @@ -178,8 +177,7 @@ static struct spi_nor_fixups s28hs512t_fixups = { static int s25fs_s_post_bfpt_fixups(struct spi_nor *nor, const struct sfdp_parameter_header *bfpt_header, - const struct sfdp_bfpt *bfpt, - struct spi_nor_flash_parameter *params) + const struct sfdp_bfpt *bfpt) { /* * The S25FS-S chip family reports 512-byte pages in BFPT but @@ -187,7 +185,7 @@ s25fs_s_post_bfpt_fixups(struct spi_nor *nor, * of 256 bytes. Overwrite the page size advertised by BFPT * to get the writes working. */ - params->page_size = 256; + nor->params->page_size = 256; return 0; } diff --git a/drivers/mtd/spi-nor/winbond.c b/drivers/mtd/spi-nor/winbond.c index e5dfa786f190..5d5240fb9a32 100644 --- a/drivers/mtd/spi-nor/winbond.c +++ b/drivers/mtd/spi-nor/winbond.c @@ -11,8 +11,7 @@ static int w25q256_post_bfpt_fixups(struct spi_nor *nor, const struct sfdp_parameter_header *bfpt_header, - const struct sfdp_bfpt *bfpt, - struct spi_nor_flash_parameter *params) + const struct sfdp_bfpt *bfpt) { /* * W25Q256JV supports 4B opcodes but W25Q256FV does not. -- 2.25.1