From patchwork Tue May 17 13:11:17 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marc Zyngier X-Patchwork-Id: 95935 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from bombadil.infradead.org (bombadil.infradead.org [18.85.46.34]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id DC57EB6EF3 for ; Tue, 17 May 2011 23:15:32 +1000 (EST) Received: from canuck.infradead.org ([2001:4978:20e::1]) by bombadil.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1QMK3n-00021i-J3; Tue, 17 May 2011 13:11:40 +0000 Received: from localhost ([127.0.0.1] helo=canuck.infradead.org) by canuck.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1QMK3m-0007LE-0C; Tue, 17 May 2011 13:11:38 +0000 Received: from service87.mimecast.com ([94.185.240.25]) by canuck.infradead.org with smtp (Exim 4.76 #1 (Red Hat Linux)) id 1QMK2z-0007FX-6X for linux-mtd@lists.infradead.org; Tue, 17 May 2011 13:10:52 +0000 Received: from cam-owa2.Emea.Arm.com (fw-tnat.cambridge.arm.com [217.140.96.21]) by service87.mimecast.com; Tue, 17 May 2011 14:10:44 +0100 Received: from localhost.localdomain ([10.1.255.212]) by cam-owa2.Emea.Arm.com with Microsoft SMTPSVC(6.0.3790.3959); Tue, 17 May 2011 14:10:42 +0100 From: Marc Zyngier To: linux-arm-kernel@lists.infradead.org, linux-mtd@lists.infradead.org Subject: [PATCH v6 8/8] MTD: physmap: let set_vpp() pass a platform_device instead of a map_info Date: Tue, 17 May 2011 14:11:17 +0100 Message-Id: <1305637877-24436-9-git-send-email-marc.zyngier@arm.com> X-Mailer: git-send-email 1.7.0.4 In-Reply-To: <1305637877-24436-1-git-send-email-marc.zyngier@arm.com> References: <1305637877-24436-1-git-send-email-marc.zyngier@arm.com> X-OriginalArrivalTime: 17 May 2011 13:10:42.0098 (UTC) FILETIME=[D3146920:01CC1493] X-MC-Unique: 111051714104406101 X-CRM114-Version: 20090807-BlameThorstenAndJenny ( TRE 0.7.6 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20110517_091049_865380_3A1DBEAD X-CRM114-Status: GOOD ( 20.62 ) X-Spam-Score: -0.7 (/) X-Spam-Report: SpamAssassin version 3.3.1 on canuck.infradead.org summary: Content analysis details: (-0.7 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at http://www.dnswl.org/, low trust [94.185.240.25 listed in list.dnswl.org] Cc: Eric Miao , Ben Dooks , David Woodhouse , Nicolas Ferre , Philipp Zabel , Russell King , Jean-Christophe Plagniol-Villard , Andrew Victor X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: linux-mtd-bounces@lists.infradead.org Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org The set_vpp() method provided by physmap passes a map_info back to the platform code, which has little relevance as far as the platform is concerned (this parameter is completely unused). Instead, pass the platform_device, which can be used in the pismo driver to retrieve some important information in a nicer way, instead of the hack that was in place. The empty set_vpp function in board-at572d940hf_ek.c is left untouched, as the board/SoC is scheduled for removal. Cc: Andrew Victor Cc: Nicolas Ferre Cc: Jean-Christophe Plagniol-Villard Cc: Russell King Cc: Philipp Zabel Cc: Eric Miao Cc: Ben Dooks Cc: David Woodhouse Signed-off-by: Marc Zyngier Acked-by: Artem Bityutskiy Acked-by: Jean-Christophe PLAGNIOL-VILLARD --- arch/arm/mach-integrator/integrator_ap.c | 2 +- arch/arm/mach-integrator/integrator_cp.c | 2 +- arch/arm/mach-omap1/flash.c | 2 +- arch/arm/mach-pxa/hx4700.c | 2 +- arch/arm/mach-pxa/magician.c | 2 +- arch/arm/mach-realview/core.c | 2 +- arch/arm/mach-s3c2410/nor-simtec.c | 2 +- arch/arm/mach-versatile/core.c | 2 +- arch/arm/mach-vexpress/v2m.c | 2 +- arch/arm/plat-omap/include/plat/flash.h | 2 +- drivers/mtd/maps/physmap.c | 20 +++++++++++--- drivers/mtd/maps/pismo.c | 40 ++--------------------------- include/linux/mtd/physmap.h | 2 +- 13 files changed, 29 insertions(+), 53 deletions(-) diff --git a/arch/arm/mach-integrator/integrator_ap.c b/arch/arm/mach-integrator/integrator_ap.c index 11bd49e..2aa98ee 100644 --- a/arch/arm/mach-integrator/integrator_ap.c +++ b/arch/arm/mach-integrator/integrator_ap.c @@ -263,7 +263,7 @@ static void ap_flash_exit(struct platform_device *dev) } } -static void ap_flash_set_vpp(struct map_info *map, int on) +static void ap_flash_set_vpp(struct platform_device *pdev, int on) { void __iomem *reg = on ? SC_CTRLS : SC_CTRLC; diff --git a/arch/arm/mach-integrator/integrator_cp.c b/arch/arm/mach-integrator/integrator_cp.c index ec9628f..b676b41 100644 --- a/arch/arm/mach-integrator/integrator_cp.c +++ b/arch/arm/mach-integrator/integrator_cp.c @@ -259,7 +259,7 @@ static void intcp_flash_exit(struct platform_device *dev) writel(val, INTCP_VA_CTRL_BASE + INTCP_FLASHPROG); } -static void intcp_flash_set_vpp(struct map_info *map, int on) +static void intcp_flash_set_vpp(struct platform_device *pdev, int on) { u32 val; diff --git a/arch/arm/mach-omap1/flash.c b/arch/arm/mach-omap1/flash.c index acd1616..1749cb3 100644 --- a/arch/arm/mach-omap1/flash.c +++ b/arch/arm/mach-omap1/flash.c @@ -13,7 +13,7 @@ #include #include -void omap1_set_vpp(struct map_info *map, int enable) +void omap1_set_vpp(struct platform_device *pdev, int enable) { static int count; u32 l; diff --git a/arch/arm/mach-pxa/hx4700.c b/arch/arm/mach-pxa/hx4700.c index 9cdcca5..f941a49 100644 --- a/arch/arm/mach-pxa/hx4700.c +++ b/arch/arm/mach-pxa/hx4700.c @@ -735,7 +735,7 @@ static struct platform_device bq24022 = { * StrataFlash */ -static void hx4700_set_vpp(struct map_info *map, int vpp) +static void hx4700_set_vpp(struct platform_device *pdev, int vpp) { gpio_set_value(GPIO91_HX4700_FLASH_VPEN, vpp); } diff --git a/arch/arm/mach-pxa/magician.c b/arch/arm/mach-pxa/magician.c index 9984ef7..e192057 100644 --- a/arch/arm/mach-pxa/magician.c +++ b/arch/arm/mach-pxa/magician.c @@ -662,7 +662,7 @@ static struct pxaohci_platform_data magician_ohci_info = { * StrataFlash */ -static void magician_set_vpp(struct map_info *map, int vpp) +static void magician_set_vpp(struct platform_device *pdev, int vpp) { gpio_set_value(EGPIO_MAGICIAN_FLASH_VPP, vpp); } diff --git a/arch/arm/mach-realview/core.c b/arch/arm/mach-realview/core.c index d3f1dde..c8ec088 100644 --- a/arch/arm/mach-realview/core.c +++ b/arch/arm/mach-realview/core.c @@ -77,7 +77,7 @@ void __init realview_adjust_zones(unsigned long *size, unsigned long *hole) #define REALVIEW_FLASHCTRL (__io_address(REALVIEW_SYS_BASE) + REALVIEW_SYS_FLASH_OFFSET) -static void realview_flash_set_vpp(struct map_info *map, int on) +static void realview_flash_set_vpp(struct platform_device *pdev, int on) { u32 val; diff --git a/arch/arm/mach-s3c2410/nor-simtec.c b/arch/arm/mach-s3c2410/nor-simtec.c index 598d130..ad9f750 100644 --- a/arch/arm/mach-s3c2410/nor-simtec.c +++ b/arch/arm/mach-s3c2410/nor-simtec.c @@ -32,7 +32,7 @@ #include "nor-simtec.h" -static void simtec_nor_vpp(struct map_info *map, int vpp) +static void simtec_nor_vpp(struct platform_device *pdev, int vpp) { unsigned int val; unsigned long flags; diff --git a/arch/arm/mach-versatile/core.c b/arch/arm/mach-versatile/core.c index 06f406a..335d825 100644 --- a/arch/arm/mach-versatile/core.c +++ b/arch/arm/mach-versatile/core.c @@ -190,7 +190,7 @@ void __init versatile_map_io(void) #define VERSATILE_FLASHCTRL (__io_address(VERSATILE_SYS_BASE) + VERSATILE_SYS_FLASH_OFFSET) -static void versatile_flash_set_vpp(struct map_info *map, int on) +static void versatile_flash_set_vpp(struct platform_device *pdev, int on) { u32 val; diff --git a/arch/arm/mach-vexpress/v2m.c b/arch/arm/mach-vexpress/v2m.c index e326815..f860314 100644 --- a/arch/arm/mach-vexpress/v2m.c +++ b/arch/arm/mach-vexpress/v2m.c @@ -206,7 +206,7 @@ static struct platform_device v2m_usb_device = { .dev.platform_data = &v2m_usb_config, }; -static void v2m_flash_set_vpp(struct map_info *map, int on) +static void v2m_flash_set_vpp(struct platform_device *pdev, int on) { writel(on != 0, MMIO_P2V(V2M_SYS_FLASH)); } diff --git a/arch/arm/plat-omap/include/plat/flash.h b/arch/arm/plat-omap/include/plat/flash.h index 3e63270..3083195 100644 --- a/arch/arm/plat-omap/include/plat/flash.h +++ b/arch/arm/plat-omap/include/plat/flash.h @@ -11,6 +11,6 @@ #include -extern void omap1_set_vpp(struct map_info *map, int enable); +extern void omap1_set_vpp(struct platform_device *pdev, int enable); #endif diff --git a/drivers/mtd/maps/physmap.c b/drivers/mtd/maps/physmap.c index 49676b7..1a9b94f 100644 --- a/drivers/mtd/maps/physmap.c +++ b/drivers/mtd/maps/physmap.c @@ -74,6 +74,18 @@ static int physmap_flash_remove(struct platform_device *dev) return 0; } +static void physmap_set_vpp(struct map_info *map, int state) +{ + struct platform_device *pdev; + struct physmap_flash_data *physmap_data; + + pdev = (struct platform_device *)map->map_priv_1; + physmap_data = pdev->dev.platform_data; + + if (physmap_data->set_vpp) + physmap_data->set_vpp(pdev, state); +} + static const char *rom_probe_types[] = { "cfi_probe", "jedec_probe", @@ -81,10 +93,7 @@ static const char *rom_probe_types[] = { "map_rom", NULL }; #ifdef CONFIG_MTD_PARTITIONS -static const char *part_probe_types[] = { "cmdlinepart", "RedBoot", -#ifdef CONFIG_MTD_AFS_PARTS - "afs", -#endif +static const char *part_probe_types[] = { "cmdlinepart", "RedBoot", "afs", NULL }; #endif @@ -134,8 +143,9 @@ static int physmap_flash_probe(struct platform_device *dev) info->map[i].phys = dev->resource[i].start; info->map[i].size = resource_size(&dev->resource[i]); info->map[i].bankwidth = physmap_data->width; - info->map[i].set_vpp = physmap_data->set_vpp; + info->map[i].set_vpp = physmap_set_vpp; info->map[i].pfow_base = physmap_data->pfow_base; + info->map[i].map_priv_1 = (unsigned long)dev; info->map[i].virt = devm_ioremap(&dev->dev, info->map[i].phys, info->map[i].size); diff --git a/drivers/mtd/maps/pismo.c b/drivers/mtd/maps/pismo.c index f4ce273..65bd1cd 100644 --- a/drivers/mtd/maps/pismo.c +++ b/drivers/mtd/maps/pismo.c @@ -50,39 +50,13 @@ struct pismo_data { struct platform_device *dev[PISMO_NUM_CS]; }; -/* FIXME: set_vpp could do with a better calling convention */ -static struct pismo_data *vpp_pismo; -static DEFINE_MUTEX(pismo_mutex); - -static int pismo_setvpp_probe_fix(struct pismo_data *pismo) +static void pismo_set_vpp(struct platform_device *pdev, int on) { - mutex_lock(&pismo_mutex); - if (vpp_pismo) { - mutex_unlock(&pismo_mutex); - kfree(pismo); - return -EBUSY; - } - vpp_pismo = pismo; - mutex_unlock(&pismo_mutex); - return 0; -} - -static void pismo_setvpp_remove_fix(struct pismo_data *pismo) -{ - mutex_lock(&pismo_mutex); - if (vpp_pismo == pismo) - vpp_pismo = NULL; - mutex_unlock(&pismo_mutex); -} - -static void pismo_set_vpp(struct map_info *map, int on) -{ - struct pismo_data *pismo = vpp_pismo; + struct i2c_client *client = to_i2c_client(pdev->dev.parent); + struct pismo_data *pismo = i2c_get_clientdata(client); pismo->vpp(pismo->vpp_data, on); } -/* end of hack */ - static unsigned int __devinit pismo_width_to_bytes(unsigned int width) { @@ -231,9 +205,6 @@ static int __devexit pismo_remove(struct i2c_client *client) for (i = 0; i < ARRAY_SIZE(pismo->dev); i++) platform_device_unregister(pismo->dev[i]); - /* FIXME: set_vpp needs saner arguments */ - pismo_setvpp_remove_fix(pismo); - kfree(pismo); return 0; @@ -257,11 +228,6 @@ static int __devinit pismo_probe(struct i2c_client *client, if (!pismo) return -ENOMEM; - /* FIXME: set_vpp needs saner arguments */ - ret = pismo_setvpp_probe_fix(pismo); - if (ret) - return ret; - pismo->client = client; if (pdata) { pismo->vpp = pdata->set_vpp; diff --git a/include/linux/mtd/physmap.h b/include/linux/mtd/physmap.h index d37cca0..49b9590 100644 --- a/include/linux/mtd/physmap.h +++ b/include/linux/mtd/physmap.h @@ -24,7 +24,7 @@ struct physmap_flash_data { unsigned int width; int (*init)(struct platform_device *); void (*exit)(struct platform_device *); - void (*set_vpp)(struct map_info *, int); + void (*set_vpp)(struct platform_device *, int); unsigned int nr_parts; unsigned int pfow_base; char *probe_type;