Date: Tue, 5 Feb 2013 04:13:34 +0000 (UTC) From: Ganbold Tsagaankhuu <ganbold@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r246353 - head/sys/arm/allwinner Message-ID: <201302050413.r154DYbQ019821@svn.freebsd.org>
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Author: ganbold (doc committer) Date: Tue Feb 5 04:13:34 2013 New Revision: 246353 URL: http://svnweb.freebsd.org/changeset/base/246353 Log: Remove two dead assignments and make use of sc more explicit and clear Submitted by: Christoph Mallon Approved by: gonzo@ Modified: head/sys/arm/allwinner/a10_clk.c Modified: head/sys/arm/allwinner/a10_clk.c ============================================================================== --- head/sys/arm/allwinner/a10_clk.c Tue Feb 5 03:26:34 2013 (r246352) +++ head/sys/arm/allwinner/a10_clk.c Tue Feb 5 04:13:34 2013 (r246353) @@ -62,10 +62,10 @@ struct a10_ccm_softc { static struct a10_ccm_softc *a10_ccm_sc = NULL; -#define ccm_read_4(reg) \ - bus_space_read_4(a10_ccm_sc->bst, a10_ccm_sc->bsh, reg) -#define ccm_write_4(reg, val) \ - bus_space_write_4(a10_ccm_sc->bst, a10_ccm_sc->bsh, reg, val) +#define ccm_read_4(sc, reg) \ + bus_space_read_4((sc)->bst, (sc)->bsh, (reg)) +#define ccm_write_4(sc, reg, val) \ + bus_space_write_4((sc)->bst, (sc)->bsh, (reg), (val)) static int a10_ccm_probe(device_t dev) @@ -121,24 +121,24 @@ int a10_clk_usb_activate(void) { struct a10_ccm_softc *sc = a10_ccm_sc; - uint32_t reg_value = 0; + uint32_t reg_value; if (sc == NULL) return ENXIO; /* Gating AHB clock for USB */ - reg_value = ccm_read_4(CCM_AHB_GATING0); + reg_value = ccm_read_4(sc, CCM_AHB_GATING0); reg_value |= CCM_AHB_GATING_USB0; /* AHB clock gate usb0 */ reg_value |= CCM_AHB_GATING_EHCI1; /* AHB clock gate ehci1 */ - ccm_write_4(CCM_AHB_GATING0, reg_value); + ccm_write_4(sc, CCM_AHB_GATING0, reg_value); /* Enable clock for USB */ - reg_value = ccm_read_4(CCM_USB_CLK); + reg_value = ccm_read_4(sc, CCM_USB_CLK); reg_value |= CCM_USB_PHY; /* USBPHY */ reg_value |= CCM_USB0_RESET; /* disable reset for USB0 */ reg_value |= CCM_USB1_RESET; /* disable reset for USB1 */ reg_value |= CCM_USB2_RESET; /* disable reset for USB2 */ - ccm_write_4(CCM_USB_CLK, reg_value); + ccm_write_4(sc, CCM_USB_CLK, reg_value); return (0); } @@ -147,24 +147,24 @@ int a10_clk_usb_deactivate(void) { struct a10_ccm_softc *sc = a10_ccm_sc; - uint32_t reg_value = 0; + uint32_t reg_value; if (sc == NULL) return ENXIO; /* Disable clock for USB */ - reg_value = ccm_read_4(CCM_USB_CLK); + reg_value = ccm_read_4(sc, CCM_USB_CLK); reg_value &= ~CCM_USB_PHY; /* USBPHY */ reg_value &= ~CCM_USB0_RESET; /* reset for USB0 */ reg_value &= ~CCM_USB1_RESET; /* reset for USB1 */ reg_value &= ~CCM_USB2_RESET; /* reset for USB2 */ - ccm_write_4(CCM_USB_CLK, reg_value); + ccm_write_4(sc, CCM_USB_CLK, reg_value); /* Disable gating AHB clock for USB */ - reg_value = ccm_read_4(CCM_AHB_GATING0); + reg_value = ccm_read_4(sc, CCM_AHB_GATING0); reg_value &= ~CCM_AHB_GATING_USB0; /* disable AHB clock gate usb0 */ reg_value &= ~CCM_AHB_GATING_EHCI1; /* disable AHB clock gate ehci1 */ - ccm_write_4(CCM_AHB_GATING0, reg_value); + ccm_write_4(sc, CCM_AHB_GATING0, reg_value); return (0); }
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