CC: [email protected] CC: [email protected] TO: Cai Huoqing <[email protected]> CC: "Marc Kleine-Budde" <[email protected]>
Hi Cai, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: d06c942efea40e1701ade200477a7449008d9f24 commit: ac4224087312d7212bd3411f1e393f4b7cb1ff15 can: rcar: Kconfig: Add helper dependency on COMPILE_TEST date: 3 months ago :::::: branch date: 4 hours ago :::::: commit date: 3 months ago config: openrisc-randconfig-m031-20211128 (https://download.01.org/0day-ci/archive/20211129/[email protected]/config) compiler: or1k-linux-gcc (GCC) 11.2.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> Reported-by: Dan Carpenter <[email protected]> smatch warnings: drivers/net/can/rcar/rcar_canfd.c:1869 rcar_canfd_probe() error: uninitialized symbol 'ch_irq'. drivers/net/can/rcar/rcar_canfd.c:1878 rcar_canfd_probe() error: uninitialized symbol 'g_irq'. drivers/net/can/rcar/rcar_canfd.c:1887 rcar_canfd_probe() error: uninitialized symbol 'g_recc_irq'. drivers/net/can/rcar/rcar_canfd.c:1897 rcar_canfd_probe() error: uninitialized symbol 'g_err_irq'. vim +/ch_irq +1869 drivers/net/can/rcar/rcar_canfd.c dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1753 dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1754 static int rcar_canfd_probe(struct platform_device *pdev) dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1755 { dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1756 void __iomem *addr; dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1757 u32 sts, ch, fcan_freq; dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1758 struct rcar_canfd_global *gpriv; dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1759 struct device_node *of_child; dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1760 unsigned long channels_mask = 0; dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1761 int err, ch_irq, g_irq; 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1762 int g_err_irq, g_recc_irq; 6f4c2eea353809 Ramesh Shanmugasundaram 2016-06-22 1763 bool fdmode = true; /* CAN FD only mode - default */ 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1764 enum rcanfd_chip_id chip_id; 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1765 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1766 chip_id = (uintptr_t)of_device_get_match_data(&pdev->dev); 6f4c2eea353809 Ramesh Shanmugasundaram 2016-06-22 1767 6f4c2eea353809 Ramesh Shanmugasundaram 2016-06-22 1768 if (of_property_read_bool(pdev->dev.of_node, "renesas,no-can-fd")) 6f4c2eea353809 Ramesh Shanmugasundaram 2016-06-22 1769 fdmode = false; /* Classical CAN only mode */ dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1770 dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1771 of_child = of_get_child_by_name(pdev->dev.of_node, "channel0"); dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1772 if (of_child && of_device_is_available(of_child)) dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1773 channels_mask |= BIT(0); /* Channel 0 */ dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1774 dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1775 of_child = of_get_child_by_name(pdev->dev.of_node, "channel1"); dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1776 if (of_child && of_device_is_available(of_child)) dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1777 channels_mask |= BIT(1); /* Channel 1 */ dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1778 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1779 if (chip_id == RENESAS_RCAR_GEN3) { 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1780 ch_irq = platform_get_irq_byname_optional(pdev, "ch_int"); dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1781 if (ch_irq < 0) { 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1782 /* For backward compatibility get irq by index */ 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1783 ch_irq = platform_get_irq(pdev, 0); 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1784 if (ch_irq < 0) 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1785 return ch_irq; dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1786 } dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1787 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1788 g_irq = platform_get_irq_byname_optional(pdev, "g_int"); dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1789 if (g_irq < 0) { 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1790 /* For backward compatibility get irq by index */ 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1791 g_irq = platform_get_irq(pdev, 1); 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1792 if (g_irq < 0) 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1793 return g_irq; 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1794 } 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1795 } else { 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1796 g_err_irq = platform_get_irq_byname(pdev, "g_err"); 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1797 if (g_err_irq < 0) 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1798 return g_err_irq; 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1799 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1800 g_recc_irq = platform_get_irq_byname(pdev, "g_recc"); 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1801 if (g_recc_irq < 0) 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1802 return g_recc_irq; dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1803 } dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1804 dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1805 /* Global controller context */ dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1806 gpriv = devm_kzalloc(&pdev->dev, sizeof(*gpriv), GFP_KERNEL); dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1807 if (!gpriv) { dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1808 err = -ENOMEM; dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1809 goto fail_dev; dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1810 } dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1811 gpriv->pdev = pdev; dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1812 gpriv->channels_mask = channels_mask; 6f4c2eea353809 Ramesh Shanmugasundaram 2016-06-22 1813 gpriv->fdmode = fdmode; 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1814 gpriv->chip_id = chip_id; 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1815 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1816 if (gpriv->chip_id == RENESAS_RZG2L) { 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1817 gpriv->rstc1 = devm_reset_control_get_exclusive(&pdev->dev, "rstp_n"); 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1818 if (IS_ERR(gpriv->rstc1)) 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1819 return dev_err_probe(&pdev->dev, PTR_ERR(gpriv->rstc1), 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1820 "failed to get rstp_n\n"); 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1821 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1822 gpriv->rstc2 = devm_reset_control_get_exclusive(&pdev->dev, "rstc_n"); 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1823 if (IS_ERR(gpriv->rstc2)) 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1824 return dev_err_probe(&pdev->dev, PTR_ERR(gpriv->rstc2), 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1825 "failed to get rstc_n\n"); 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1826 } dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1827 dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1828 /* Peripheral clock */ dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1829 gpriv->clkp = devm_clk_get(&pdev->dev, "fck"); dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1830 if (IS_ERR(gpriv->clkp)) { dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1831 err = PTR_ERR(gpriv->clkp); dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1832 dev_err(&pdev->dev, "cannot get peripheral clock, error %d\n", dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1833 err); dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1834 goto fail_dev; dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1835 } dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1836 dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1837 /* fCAN clock: Pick External clock. If not available fallback to dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1838 * CANFD clock dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1839 */ dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1840 gpriv->can_clk = devm_clk_get(&pdev->dev, "can_clk"); dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1841 if (IS_ERR(gpriv->can_clk) || (clk_get_rate(gpriv->can_clk) == 0)) { dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1842 gpriv->can_clk = devm_clk_get(&pdev->dev, "canfd"); dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1843 if (IS_ERR(gpriv->can_clk)) { dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1844 err = PTR_ERR(gpriv->can_clk); dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1845 dev_err(&pdev->dev, dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1846 "cannot get canfd clock, error %d\n", err); dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1847 goto fail_dev; dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1848 } dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1849 gpriv->fcan = RCANFD_CANFDCLK; dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1850 dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1851 } else { dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1852 gpriv->fcan = RCANFD_EXTCLK; dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1853 } dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1854 fcan_freq = clk_get_rate(gpriv->can_clk); dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1855 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1856 if (gpriv->fcan == RCANFD_CANFDCLK && gpriv->chip_id == RENESAS_RCAR_GEN3) dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1857 /* CANFD clock is further divided by (1/2) within the IP */ dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1858 fcan_freq /= 2; dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1859 ac9921ded292bf YueHaibing 2019-10-15 1860 addr = devm_platform_ioremap_resource(pdev, 0); dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1861 if (IS_ERR(addr)) { dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1862 err = PTR_ERR(addr); dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1863 goto fail_dev; dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1864 } dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1865 gpriv->base = addr; dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1866 dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1867 /* Request IRQ that's common for both channels */ 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1868 if (gpriv->chip_id == RENESAS_RCAR_GEN3) { dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 @1869 err = devm_request_irq(&pdev->dev, ch_irq, dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1870 rcar_canfd_channel_interrupt, 0, 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1871 "canfd.ch_int", gpriv); dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1872 if (err) { dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1873 dev_err(&pdev->dev, "devm_request_irq(%d) failed, error %d\n", dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1874 ch_irq, err); dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1875 goto fail_dev; dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1876 } 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1877 dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 @1878 err = devm_request_irq(&pdev->dev, g_irq, dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1879 rcar_canfd_global_interrupt, 0, 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1880 "canfd.g_int", gpriv); dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1881 if (err) { dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1882 dev_err(&pdev->dev, "devm_request_irq(%d) failed, error %d\n", dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1883 g_irq, err); dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1884 goto fail_dev; dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1885 } 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1886 } else { 76e9353a80e9e9 Lad Prabhakar 2021-07-27 @1887 err = devm_request_irq(&pdev->dev, g_recc_irq, 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1888 rcar_canfd_global_receive_fifo_interrupt, 0, 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1889 "canfd.g_recc", gpriv); 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1890 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1891 if (err) { 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1892 dev_err(&pdev->dev, "devm_request_irq(%d) failed, error %d\n", 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1893 g_recc_irq, err); 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1894 goto fail_dev; 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1895 } 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1896 76e9353a80e9e9 Lad Prabhakar 2021-07-27 @1897 err = devm_request_irq(&pdev->dev, g_err_irq, 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1898 rcar_canfd_global_err_interrupt, 0, 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1899 "canfd.g_err", gpriv); 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1900 if (err) { 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1901 dev_err(&pdev->dev, "devm_request_irq(%d) failed, error %d\n", 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1902 g_err_irq, err); 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1903 goto fail_dev; 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1904 } 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1905 } 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1906 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1907 err = reset_control_reset(gpriv->rstc1); 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1908 if (err) 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1909 goto fail_dev; 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1910 err = reset_control_reset(gpriv->rstc2); 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1911 if (err) { 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1912 reset_control_assert(gpriv->rstc1); 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1913 goto fail_dev; 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1914 } dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1915 dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1916 /* Enable peripheral clock for register access */ dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1917 err = clk_prepare_enable(gpriv->clkp); dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1918 if (err) { dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1919 dev_err(&pdev->dev, dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1920 "failed to enable peripheral clock, error %d\n", err); 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1921 goto fail_reset; dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1922 } dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1923 dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1924 err = rcar_canfd_reset_controller(gpriv); dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1925 if (err) { dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1926 dev_err(&pdev->dev, "reset controller failed\n"); dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1927 goto fail_clk; dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1928 } dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1929 dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1930 /* Controller in Global reset & Channel reset mode */ dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1931 rcar_canfd_configure_controller(gpriv); dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1932 dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1933 /* Configure per channel attributes */ dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1934 for_each_set_bit(ch, &gpriv->channels_mask, RCANFD_NUM_CHANNELS) { dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1935 /* Configure Channel's Rx fifo */ dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1936 rcar_canfd_configure_rx(gpriv, ch); dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1937 dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1938 /* Configure Channel's Tx (Common) fifo */ dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1939 rcar_canfd_configure_tx(gpriv, ch); dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1940 dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1941 /* Configure receive rules */ dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1942 rcar_canfd_configure_afl_rules(gpriv, ch); dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1943 } dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1944 dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1945 /* Configure common interrupts */ dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1946 rcar_canfd_enable_global_interrupts(gpriv); dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1947 dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1948 /* Start Global operation mode */ dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1949 rcar_canfd_update_bit(gpriv->base, RCANFD_GCTR, RCANFD_GCTR_GMDC_MASK, dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1950 RCANFD_GCTR_GMDC_GOPM); dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1951 dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1952 /* Verify mode change */ dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1953 err = readl_poll_timeout((gpriv->base + RCANFD_GSTS), sts, dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1954 !(sts & RCANFD_GSTS_GNOPM), 2, 500000); dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1955 if (err) { dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1956 dev_err(&pdev->dev, "global operational mode failed\n"); dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1957 goto fail_mode; dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1958 } dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1959 dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1960 for_each_set_bit(ch, &gpriv->channels_mask, RCANFD_NUM_CHANNELS) { dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1961 err = rcar_canfd_channel_probe(gpriv, ch, fcan_freq); dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1962 if (err) dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1963 goto fail_channel; dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1964 } dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1965 dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1966 platform_set_drvdata(pdev, gpriv); 6f4c2eea353809 Ramesh Shanmugasundaram 2016-06-22 1967 dev_info(&pdev->dev, "global operational state (clk %d, fdmode %d)\n", 6f4c2eea353809 Ramesh Shanmugasundaram 2016-06-22 1968 gpriv->fcan, gpriv->fdmode); dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1969 return 0; dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1970 dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1971 fail_channel: dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1972 for_each_set_bit(ch, &gpriv->channels_mask, RCANFD_NUM_CHANNELS) dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1973 rcar_canfd_channel_remove(gpriv, ch); dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1974 fail_mode: dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1975 rcar_canfd_disable_global_interrupts(gpriv); dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1976 fail_clk: dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1977 clk_disable_unprepare(gpriv->clkp); 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1978 fail_reset: 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1979 reset_control_assert(gpriv->rstc1); 76e9353a80e9e9 Lad Prabhakar 2021-07-27 1980 reset_control_assert(gpriv->rstc2); dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1981 fail_dev: dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1982 return err; dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1983 } dd3bd23eb43891 Ramesh Shanmugasundaram 2016-06-17 1984 :::::: The code at line 1869 was first introduced by commit :::::: dd3bd23eb438919aeeb73a7116642731ef8f73a8 can: rcar_canfd: Add Renesas R-Car CAN FD driver :::::: TO: Ramesh Shanmugasundaram <[email protected]> :::::: CC: Marc Kleine-Budde <[email protected]> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected] _______________________________________________ kbuild mailing list -- [email protected] To unsubscribe send an email to [email protected]
