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Message-ID: <201910021701.JBV8khAI%lkp@intel.com>
Date: Wed, 2 Oct 2019 17:52:34 +0800
From: kbuild test robot <lkp@...el.com>
To: Geert Uytterhoeven <geert+renesas@...der.be>
Cc: kbuild-all@...org, Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Jiri Slaby <jslaby@...e.com>,
Stephen Boyd <swboyd@...omium.org>,
linux-renesas-soc@...r.kernel.org, linux-serial@...r.kernel.org,
linux-kernel@...r.kernel.org,
Geert Uytterhoeven <geert+renesas@...der.be>
Subject: Re: [PATCH] serial: sh-sci: Use platform_get_irq_optional() for
optional interrupts
Hi Geert,
I love your patch! Yet something to improve:
[auto build test ERROR on tty/tty-testing]
[cannot apply to v5.4-rc1 next-20191001]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]
url: https://github.com/0day-ci/linux/commits/Geert-Uytterhoeven/serial-sh-sci-Use-platform_get_irq_optional-for-optional-interrupts/20191002-171547
base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git tty-testing
config: sparc64-allmodconfig (attached as .config)
compiler: sparc64-linux-gcc (GCC) 7.4.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
GCC_VERSION=7.4.0 make.cross ARCH=sparc64
If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
drivers/tty/serial/sh-sci.c: In function 'sci_init_single':
>> drivers/tty/serial/sh-sci.c:2899:24: error: implicit declaration of function 'platform_get_irq_optional'; did you mean 'platform_get_irq_byname'? [-Werror=implicit-function-declaration]
sci_port->irqs[i] = platform_get_irq_optional(dev, i);
^~~~~~~~~~~~~~~~~~~~~~~~~
platform_get_irq_byname
cc1: some warnings being treated as errors
vim +2899 drivers/tty/serial/sh-sci.c
2874
2875 static int sci_init_single(struct platform_device *dev,
2876 struct sci_port *sci_port, unsigned int index,
2877 const struct plat_sci_port *p, bool early)
2878 {
2879 struct uart_port *port = &sci_port->port;
2880 const struct resource *res;
2881 unsigned int i;
2882 int ret;
2883
2884 sci_port->cfg = p;
2885
2886 port->ops = &sci_uart_ops;
2887 port->iotype = UPIO_MEM;
2888 port->line = index;
2889
2890 res = platform_get_resource(dev, IORESOURCE_MEM, 0);
2891 if (res == NULL)
2892 return -ENOMEM;
2893
2894 port->mapbase = res->start;
2895 sci_port->reg_size = resource_size(res);
2896
2897 for (i = 0; i < ARRAY_SIZE(sci_port->irqs); ++i) {
2898 if (i)
> 2899 sci_port->irqs[i] = platform_get_irq_optional(dev, i);
2900 else
2901 sci_port->irqs[i] = platform_get_irq(dev, i);
2902 }
2903
2904 /* The SCI generates several interrupts. They can be muxed together or
2905 * connected to different interrupt lines. In the muxed case only one
2906 * interrupt resource is specified as there is only one interrupt ID.
2907 * In the non-muxed case, up to 6 interrupt signals might be generated
2908 * from the SCI, however those signals might have their own individual
2909 * interrupt ID numbers, or muxed together with another interrupt.
2910 */
2911 if (sci_port->irqs[0] < 0)
2912 return -ENXIO;
2913
2914 if (sci_port->irqs[1] < 0)
2915 for (i = 1; i < ARRAY_SIZE(sci_port->irqs); i++)
2916 sci_port->irqs[i] = sci_port->irqs[0];
2917
2918 sci_port->params = sci_probe_regmap(p);
2919 if (unlikely(sci_port->params == NULL))
2920 return -EINVAL;
2921
2922 switch (p->type) {
2923 case PORT_SCIFB:
2924 sci_port->rx_trigger = 48;
2925 break;
2926 case PORT_HSCIF:
2927 sci_port->rx_trigger = 64;
2928 break;
2929 case PORT_SCIFA:
2930 sci_port->rx_trigger = 32;
2931 break;
2932 case PORT_SCIF:
2933 if (p->regtype == SCIx_SH7705_SCIF_REGTYPE)
2934 /* RX triggering not implemented for this IP */
2935 sci_port->rx_trigger = 1;
2936 else
2937 sci_port->rx_trigger = 8;
2938 break;
2939 default:
2940 sci_port->rx_trigger = 1;
2941 break;
2942 }
2943
2944 sci_port->rx_fifo_timeout = 0;
2945 sci_port->hscif_tot = 0;
2946
2947 /* SCIFA on sh7723 and sh7724 need a custom sampling rate that doesn't
2948 * match the SoC datasheet, this should be investigated. Let platform
2949 * data override the sampling rate for now.
2950 */
2951 sci_port->sampling_rate_mask = p->sampling_rate
2952 ? SCI_SR(p->sampling_rate)
2953 : sci_port->params->sampling_rate_mask;
2954
2955 if (!early) {
2956 ret = sci_init_clocks(sci_port, &dev->dev);
2957 if (ret < 0)
2958 return ret;
2959
2960 port->dev = &dev->dev;
2961
2962 pm_runtime_enable(&dev->dev);
2963 }
2964
2965 port->type = p->type;
2966 port->flags = UPF_FIXED_PORT | UPF_BOOT_AUTOCONF | p->flags;
2967 port->fifosize = sci_port->params->fifosize;
2968
2969 if (port->type == PORT_SCI) {
2970 if (sci_port->reg_size >= 0x20)
2971 port->regshift = 2;
2972 else
2973 port->regshift = 1;
2974 }
2975
2976 /*
2977 * The UART port needs an IRQ value, so we peg this to the RX IRQ
2978 * for the multi-IRQ ports, which is where we are primarily
2979 * concerned with the shutdown path synchronization.
2980 *
2981 * For the muxed case there's nothing more to do.
2982 */
2983 port->irq = sci_port->irqs[SCIx_RXI_IRQ];
2984 port->irqflags = 0;
2985
2986 port->serial_in = sci_serial_in;
2987 port->serial_out = sci_serial_out;
2988
2989 return 0;
2990 }
2991
---
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