Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935105Ab3IDOpB (ORCPT ); Wed, 4 Sep 2013 10:45:01 -0400 Received: from mail-ee0-f52.google.com ([74.125.83.52]:64006 "EHLO mail-ee0-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1762831Ab3IDOo5 (ORCPT ); Wed, 4 Sep 2013 10:44:57 -0400 From: Michal Simek To: linux-kernel@vger.kernel.org, monstr@monstr.eu Cc: Russell King , Vinod Koul , Dan Williams , Dmitry Torokhov , Chris Ball , Alessandro Zummo , Linus Walleij , Mark Brown , Greg Kroah-Hartman , Jiri Slaby , Jean-Christophe Plagniol-Villard , Tomi Valkeinen , Wim Van Sebroeck , Andrew Morton , "zhangwei(Jovi)" , Randy Dunlap , linux-arm-kernel@lists.infradead.org, linux-input@vger.kernel.org, linux-mmc@vger.kernel.org, rtc-linux@googlegroups.com, linux-spi@vger.kernel.org, linux-serial@vger.kernel.org, linux-fbdev@vger.kernel.org, linux-watchdog@vger.kernel.org Subject: [RFC PATCH] amba: Ensure drvdata is NULL Date: Wed, 4 Sep 2013 16:44:52 +0200 Message-Id: <346db238d6c8c418bddb1e8a166e9818b5074c06.1378305864.git.michal.simek@xilinx.com> X-Mailer: git-send-email 1.8.2.3 Content-Type: multipart/signed; boundary="=_mimegpg-monstr-desktop-24582-1378305893-0001"; micalg=pgp-sha1; protocol="application/pgp-signature" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 8238 Lines: 269 This is a MIME GnuPG-signed message. If you see this text, it means that your E-mail or Usenet software does not support MIME signed messages. The Internet standard for MIME PGP messages, RFC 2015, was published in 1996. To open this message correctly you will need to install E-mail or Usenet software that supports modern Internet standards. --=_mimegpg-monstr-desktop-24582-1378305893-0001 This patch is inpired by the patch for drvdata "device-core: Ensure drvdata = NULL when no driver is bound" (sha1: 0998d0631001288a5974afc0b2a5f568bcdecb4d) Also it fixes all occurences in drivers. Signed-off-by: Michal Simek --- arch/arm/kernel/etm.c | 6 ------ drivers/amba/bus.c | 2 ++ drivers/dma/pl330.c | 3 --- drivers/input/serio/ambakmi.c | 2 -- drivers/mmc/host/mmci.c | 2 -- drivers/rtc/rtc-pl030.c | 2 -- drivers/rtc/rtc-pl031.c | 2 -- drivers/spi/spi-pl022.c | 1 - drivers/tty/serial/amba-pl010.c | 3 --- drivers/tty/serial/amba-pl011.c | 3 --- drivers/video/amba-clcd.c | 2 -- drivers/watchdog/sp805_wdt.c | 1 - 12 files changed, 2 insertions(+), 27 deletions(-) diff --git a/arch/arm/kernel/etm.c b/arch/arm/kernel/etm.c index 8ff0ecd..131a6ab 100644 --- a/arch/arm/kernel/etm.c +++ b/arch/arm/kernel/etm.c @@ -385,7 +385,6 @@ out: return ret; out_unmap: - amba_set_drvdata(dev, NULL); iounmap(t->etb_regs); out_release: @@ -398,8 +397,6 @@ static int etb_remove(struct amba_device *dev) { struct tracectx *t = amba_get_drvdata(dev); - amba_set_drvdata(dev, NULL); - iounmap(t->etb_regs); t->etb_regs = NULL; @@ -588,7 +585,6 @@ out: return ret; out_unmap: - amba_set_drvdata(dev, NULL); iounmap(t->etm_regs); out_release: @@ -601,8 +597,6 @@ static int etm_remove(struct amba_device *dev) { struct tracectx *t = amba_get_drvdata(dev); - amba_set_drvdata(dev, NULL); - iounmap(t->etm_regs); t->etm_regs = NULL; diff --git a/drivers/amba/bus.c b/drivers/amba/bus.c index c670727..9762090 100644 --- a/drivers/amba/bus.c +++ b/drivers/amba/bus.c @@ -373,6 +373,7 @@ static int amba_probe(struct device *dev) if (ret == 0) break; + amba_set_drvdata(pcdev, NULL); pm_runtime_disable(dev); pm_runtime_set_suspended(dev); pm_runtime_put_noidle(dev); @@ -391,6 +392,7 @@ static int amba_remove(struct device *dev) pm_runtime_get_sync(dev); ret = drv->remove(pcdev); + amba_set_drvdata(pcdev, NULL); pm_runtime_put_noidle(dev); /* Undo the runtime PM settings in amba_probe() */ diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c index fa645d8..626f99e 100644 --- a/drivers/dma/pl330.c +++ b/drivers/dma/pl330.c @@ -3026,8 +3026,6 @@ pl330_probe(struct amba_device *adev, const struct amba_id *id) return 0; probe_err3: - amba_set_drvdata(adev, NULL); - /* Idle the DMAC */ list_for_each_entry_safe(pch, _p, &pdmac->ddma.channels, chan.device_node) { @@ -3061,7 +3059,6 @@ static int pl330_remove(struct amba_device *adev) of_dma_controller_free(adev->dev.of_node); dma_async_device_unregister(&pdmac->ddma); - amba_set_drvdata(adev, NULL); /* Idle the DMAC */ list_for_each_entry_safe(pch, _p, &pdmac->ddma.channels, diff --git a/drivers/input/serio/ambakmi.c b/drivers/input/serio/ambakmi.c index 4e2fd44..b7c206d 100644 --- a/drivers/input/serio/ambakmi.c +++ b/drivers/input/serio/ambakmi.c @@ -167,8 +167,6 @@ static int amba_kmi_remove(struct amba_device *dev) { struct amba_kmi_port *kmi = amba_get_drvdata(dev); - amba_set_drvdata(dev, NULL); - serio_unregister_port(kmi->io); clk_put(kmi->clk); iounmap(kmi->base); diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c index c3785ed..07e17f1 100644 --- a/drivers/mmc/host/mmci.c +++ b/drivers/mmc/host/mmci.c @@ -1678,8 +1678,6 @@ static int mmci_remove(struct amba_device *dev) { struct mmc_host *mmc = amba_get_drvdata(dev); - amba_set_drvdata(dev, NULL); - if (mmc) { struct mmci_host *host = mmc_priv(mmc); diff --git a/drivers/rtc/rtc-pl030.c b/drivers/rtc/rtc-pl030.c index 22bacdb..a804f75 100644 --- a/drivers/rtc/rtc-pl030.c +++ b/drivers/rtc/rtc-pl030.c @@ -153,8 +153,6 @@ static int pl030_remove(struct amba_device *dev) { struct pl030_rtc *rtc = amba_get_drvdata(dev); - amba_set_drvdata(dev, NULL); - writel(0, rtc->base + RTC_CR); free_irq(dev->irq[0], rtc); diff --git a/drivers/rtc/rtc-pl031.c b/drivers/rtc/rtc-pl031.c index 0f0609b..c9ca86e 100644 --- a/drivers/rtc/rtc-pl031.c +++ b/drivers/rtc/rtc-pl031.c @@ -305,7 +305,6 @@ static int pl031_remove(struct amba_device *adev) { struct pl031_local *ldata = dev_get_drvdata(&adev->dev); - amba_set_drvdata(adev, NULL); free_irq(adev->irq[0], ldata); rtc_device_unregister(ldata->rtc); iounmap(ldata->base); @@ -392,7 +391,6 @@ out_no_irq: rtc_device_unregister(ldata->rtc); out_no_rtc: iounmap(ldata->base); - amba_set_drvdata(adev, NULL); out_no_remap: kfree(ldata); out: diff --git a/drivers/spi/spi-pl022.c b/drivers/spi/spi-pl022.c index abef061..e12813e 100644 --- a/drivers/spi/spi-pl022.c +++ b/drivers/spi/spi-pl022.c @@ -2306,7 +2306,6 @@ pl022_remove(struct amba_device *adev) amba_release_regions(adev); tasklet_disable(&pl022->pump_transfers); spi_unregister_master(pl022->master); - amba_set_drvdata(adev, NULL); return 0; } diff --git a/drivers/tty/serial/amba-pl010.c b/drivers/tty/serial/amba-pl010.c index c368405..f630b78 100644 --- a/drivers/tty/serial/amba-pl010.c +++ b/drivers/tty/serial/amba-pl010.c @@ -728,7 +728,6 @@ static int pl010_probe(struct amba_device *dev, const struct amba_id *id) amba_set_drvdata(dev, uap); ret = uart_add_one_port(&amba_reg, &uap->port); if (ret) { - amba_set_drvdata(dev, NULL); amba_ports[i] = NULL; clk_put(uap->clk); unmap: @@ -745,8 +744,6 @@ static int pl010_remove(struct amba_device *dev) struct uart_amba_port *uap = amba_get_drvdata(dev); int i; - amba_set_drvdata(dev, NULL); - uart_remove_one_port(&amba_reg, &uap->port); for (i = 0; i < ARRAY_SIZE(amba_ports); i++) diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c index 28b35ad..2a1efe0 100644 --- a/drivers/tty/serial/amba-pl011.c +++ b/drivers/tty/serial/amba-pl011.c @@ -2143,7 +2143,6 @@ static int pl011_probe(struct amba_device *dev, const struct amba_id *id) amba_set_drvdata(dev, uap); ret = uart_add_one_port(&amba_reg, &uap->port); if (ret) { - amba_set_drvdata(dev, NULL); amba_ports[i] = NULL; pl011_dma_remove(uap); } @@ -2156,8 +2155,6 @@ static int pl011_remove(struct amba_device *dev) struct uart_amba_port *uap = amba_get_drvdata(dev); int i; - amba_set_drvdata(dev, NULL); - uart_remove_one_port(&amba_reg, &uap->port); for (i = 0; i < ARRAY_SIZE(amba_ports); i++) diff --git a/drivers/video/amba-clcd.c b/drivers/video/amba-clcd.c index 0a2cce7..0bab6ab 100644 --- a/drivers/video/amba-clcd.c +++ b/drivers/video/amba-clcd.c @@ -594,8 +594,6 @@ static int clcdfb_remove(struct amba_device *dev) { struct clcd_fb *fb = amba_get_drvdata(dev); - amba_set_drvdata(dev, NULL); - clcdfb_disable(fb); unregister_framebuffer(&fb->fb); if (fb->fb.cmap.len) diff --git a/drivers/watchdog/sp805_wdt.c b/drivers/watchdog/sp805_wdt.c index 58df98a..3f786ce 100644 --- a/drivers/watchdog/sp805_wdt.c +++ b/drivers/watchdog/sp805_wdt.c @@ -268,7 +268,6 @@ static int sp805_wdt_remove(struct amba_device *adev) struct sp805_wdt *wdt = amba_get_drvdata(adev); watchdog_unregister_device(&wdt->wdd); - amba_set_drvdata(adev, NULL); watchdog_set_drvdata(&wdt->wdd, NULL); return 0; -- 1.8.2.3 --=_mimegpg-monstr-desktop-24582-1378305893-0001 Content-Type: application/pgp-signature Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) iEYEABECAAYFAlInR2UACgkQykllyylKDCEEEACcDheeNI7+5z2DZvsgHfR3gMUD x4YAn2tH32FcqBSmMlSJmu5Hfr0klk2Z =JQHL -----END PGP SIGNATURE----- --=_mimegpg-monstr-desktop-24582-1378305893-0001-- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/