[bvanassche:scsi-const-host-template 11/86] drivers/ata/pata_platform.c:97:5: error: conflicting types for '__pata_platform_probe'

From: kernel test robot
Date: Sat Aug 13 2022 - 11:32:31 EST

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Previous message: kernel test robot: "[bvanassche:scsi-const-host-template 11/86] drivers/ata/pata_platform.c:97:5: error: conflicting types for '__pata_platform_probe'; have 'int(struct device *, struct resource *, struct resource *, struct resource *, unsigned int, int, const struct scsi_host_template *, bool)' {aka 'int(struct dev..."
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tree: https://github.com/bvanassche/linux scsi-const-host-template
head: 6d6e5cf2f6e93f909e73e468fd5888431de61f13
commit: 24ce874bd15b6e1e45942c02db623e7e19b6cc81 [11/86] ata
config: i386-randconfig-a002 (https://download.01.org/0day-ci/archive/20220813/202208132333.QdRbhHNh-lkp@xxxxxxxxx/config)
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 3329cec2f79185bafd678f310fafadba2a8c76d2)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/bvanassche/linux/commit/24ce874bd15b6e1e45942c02db623e7e19b6cc81
git remote add bvanassche https://github.com/bvanassche/linux
git fetch --no-tags bvanassche scsi-const-host-template
git checkout 24ce874bd15b6e1e45942c02db623e7e19b6cc81
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/ata/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

>> drivers/ata/pata_platform.c:97:5: error: conflicting types for '__pata_platform_probe'
int __pata_platform_probe(struct device *dev, struct resource *io_res,
^
include/linux/ata_platform.h:16:12: note: previous declaration is here
extern int __pata_platform_probe(struct device *dev,
^
drivers/ata/pata_platform.c:221:20: error: passing 'const struct scsi_host_template *' to parameter of type 'struct scsi_host_template *' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers]
pio_mask, &pata_platform_sht, false);
^~~~~~~~~~~~~~~~~~
include/linux/ata_platform.h:22:33: note: passing argument to parameter 'sht' here
struct scsi_host_template *sht,
^
2 errors generated.

vim +/__pata_platform_probe +97 drivers/ata/pata_platform.c

a20c9e820864e1 Paul Mundt 2006-10-27 67
a20c9e820864e1 Paul Mundt 2006-10-27 68 /**
cf03613e9662c2 Anton Vorontsov 2008-01-09 69 * __pata_platform_probe - attach a platform interface
cf03613e9662c2 Anton Vorontsov 2008-01-09 70 * @dev: device
cf03613e9662c2 Anton Vorontsov 2008-01-09 71 * @io_res: Resource representing I/O base
cf03613e9662c2 Anton Vorontsov 2008-01-09 72 * @ctl_res: Resource representing CTL base
cf03613e9662c2 Anton Vorontsov 2008-01-09 73 * @irq_res: Resource representing IRQ and its flags
cf03613e9662c2 Anton Vorontsov 2008-01-09 74 * @ioport_shift: I/O port shift
cf03613e9662c2 Anton Vorontsov 2008-01-09 75 * @__pio_mask: PIO mask
17263905399471 Akinobu Mita 2015-01-29 76 * @sht: scsi_host_template to use when registering
f3d5e4f18dba18 Alexander Shiyan 2019-01-19 77 * @use16bit: Flag to indicate 16-bit IO instead of 32-bit
a20c9e820864e1 Paul Mundt 2006-10-27 78 *
a20c9e820864e1 Paul Mundt 2006-10-27 79 * Register a platform bus IDE interface. Such interfaces are PIO and we
a20c9e820864e1 Paul Mundt 2006-10-27 80 * assume do not support IRQ sharing.
a20c9e820864e1 Paul Mundt 2006-10-27 81 *
f7fc0ceb4d72ea Paul Mundt 2007-11-08 82 * Platform devices are expected to contain at least 2 resources per port:
a20c9e820864e1 Paul Mundt 2006-10-27 83 *
a20c9e820864e1 Paul Mundt 2006-10-27 84 * - I/O Base (IORESOURCE_IO or IORESOURCE_MEM)
a20c9e820864e1 Paul Mundt 2006-10-27 85 * - CTL Base (IORESOURCE_IO or IORESOURCE_MEM)
f7fc0ceb4d72ea Paul Mundt 2007-11-08 86 *
f7fc0ceb4d72ea Paul Mundt 2007-11-08 87 * and optionally:
f7fc0ceb4d72ea Paul Mundt 2007-11-08 88 *
a20c9e820864e1 Paul Mundt 2006-10-27 89 * - IRQ (IORESOURCE_IRQ)
a20c9e820864e1 Paul Mundt 2006-10-27 90 *
a20c9e820864e1 Paul Mundt 2006-10-27 91 * If the base resources are both mem types, the ioremap() is handled
a20c9e820864e1 Paul Mundt 2006-10-27 92 * here. For IORESOURCE_IO, it's assumed that there's no remapping
a20c9e820864e1 Paul Mundt 2006-10-27 93 * necessary.
f7fc0ceb4d72ea Paul Mundt 2007-11-08 94 *
f7fc0ceb4d72ea Paul Mundt 2007-11-08 95 * If no IRQ resource is present, PIO polling mode is used instead.
a20c9e820864e1 Paul Mundt 2006-10-27 96 */
0ec24914675c48 Greg Kroah-Hartman 2012-12-21 @97 int __pata_platform_probe(struct device *dev, struct resource *io_res,
0ec24914675c48 Greg Kroah-Hartman 2012-12-21 98 struct resource *ctl_res, struct resource *irq_res,
17263905399471 Akinobu Mita 2015-01-29 99 unsigned int ioport_shift, int __pio_mask,
24ce874bd15b6e Bart Van Assche 2022-08-09 100 const struct scsi_host_template *sht, bool use16bit)
a20c9e820864e1 Paul Mundt 2006-10-27 101 {
5d728824efeda6 Tejun Heo 2007-04-17 102 struct ata_host *host;
5d728824efeda6 Tejun Heo 2007-04-17 103 struct ata_port *ap;
a20c9e820864e1 Paul Mundt 2006-10-27 104 unsigned int mmio;
cf03613e9662c2 Anton Vorontsov 2008-01-09 105 int irq = 0;
cf03613e9662c2 Anton Vorontsov 2008-01-09 106 int irq_flags = 0;
a20c9e820864e1 Paul Mundt 2006-10-27 107
a20c9e820864e1 Paul Mundt 2006-10-27 108 /*
a20c9e820864e1 Paul Mundt 2006-10-27 109 * Check for MMIO
a20c9e820864e1 Paul Mundt 2006-10-27 110 */
a20c9e820864e1 Paul Mundt 2006-10-27 111 mmio = (( io_res->flags == IORESOURCE_MEM) &&
a20c9e820864e1 Paul Mundt 2006-10-27 112 (ctl_res->flags == IORESOURCE_MEM));
a20c9e820864e1 Paul Mundt 2006-10-27 113
f7fc0ceb4d72ea Paul Mundt 2007-11-08 114 /*
f7fc0ceb4d72ea Paul Mundt 2007-11-08 115 * And the IRQ
f7fc0ceb4d72ea Paul Mundt 2007-11-08 116 */
cf03613e9662c2 Anton Vorontsov 2008-01-09 117 if (irq_res && irq_res->start > 0) {
cf03613e9662c2 Anton Vorontsov 2008-01-09 118 irq = irq_res->start;
baac9ce1f33326 Alexander Shiyan 2019-01-19 119 irq_flags = (irq_res->flags & IRQF_TRIGGER_MASK) | IRQF_SHARED;
cf03613e9662c2 Anton Vorontsov 2008-01-09 120 }
f7fc0ceb4d72ea Paul Mundt 2007-11-08 121
a20c9e820864e1 Paul Mundt 2006-10-27 122 /*
a20c9e820864e1 Paul Mundt 2006-10-27 123 * Now that that's out of the way, wire up the port..
a20c9e820864e1 Paul Mundt 2006-10-27 124 */
cf03613e9662c2 Anton Vorontsov 2008-01-09 125 host = ata_host_alloc(dev, 1);
5d728824efeda6 Tejun Heo 2007-04-17 126 if (!host)
5d728824efeda6 Tejun Heo 2007-04-17 127 return -ENOMEM;
5d728824efeda6 Tejun Heo 2007-04-17 128 ap = host->ports[0];
5d728824efeda6 Tejun Heo 2007-04-17 129
f3d5e4f18dba18 Alexander Shiyan 2019-01-19 130 ap->ops = devm_kzalloc(dev, sizeof(*ap->ops), GFP_KERNEL);
9b6d90e2085ca2 Zhou Qingyang 2022-01-25 131 if (!ap->ops)
9b6d90e2085ca2 Zhou Qingyang 2022-01-25 132 return -ENOMEM;
f3d5e4f18dba18 Alexander Shiyan 2019-01-19 133 ap->ops->inherits = &ata_sff_port_ops;
f3d5e4f18dba18 Alexander Shiyan 2019-01-19 134 ap->ops->cable_detect = ata_cable_unknown;
f3d5e4f18dba18 Alexander Shiyan 2019-01-19 135 ap->ops->set_mode = pata_platform_set_mode;
f3d5e4f18dba18 Alexander Shiyan 2019-01-19 136 if (use16bit)
f3d5e4f18dba18 Alexander Shiyan 2019-01-19 137 ap->ops->sff_data_xfer = ata_sff_data_xfer;
f3d5e4f18dba18 Alexander Shiyan 2019-01-19 138 else
f3d5e4f18dba18 Alexander Shiyan 2019-01-19 139 ap->ops->sff_data_xfer = ata_sff_data_xfer32;
f3d5e4f18dba18 Alexander Shiyan 2019-01-19 140
cf03613e9662c2 Anton Vorontsov 2008-01-09 141 ap->pio_mask = __pio_mask;
5d728824efeda6 Tejun Heo 2007-04-17 142 ap->flags |= ATA_FLAG_SLAVE_POSS;
a20c9e820864e1 Paul Mundt 2006-10-27 143
f7fc0ceb4d72ea Paul Mundt 2007-11-08 144 /*
f7fc0ceb4d72ea Paul Mundt 2007-11-08 145 * Use polling mode if there's no IRQ
f7fc0ceb4d72ea Paul Mundt 2007-11-08 146 */
f7fc0ceb4d72ea Paul Mundt 2007-11-08 147 if (!irq) {
f7fc0ceb4d72ea Paul Mundt 2007-11-08 148 ap->flags |= ATA_FLAG_PIO_POLLING;
f7fc0ceb4d72ea Paul Mundt 2007-11-08 149 ata_port_desc(ap, "no IRQ, using PIO polling");
f7fc0ceb4d72ea Paul Mundt 2007-11-08 150 }
f7fc0ceb4d72ea Paul Mundt 2007-11-08 151
a20c9e820864e1 Paul Mundt 2006-10-27 152 /*
a20c9e820864e1 Paul Mundt 2006-10-27 153 * Handle the MMIO case
a20c9e820864e1 Paul Mundt 2006-10-27 154 */
a20c9e820864e1 Paul Mundt 2006-10-27 155 if (mmio) {
cf03613e9662c2 Anton Vorontsov 2008-01-09 156 ap->ioaddr.cmd_addr = devm_ioremap(dev, io_res->start,
041b5eac254107 Julia Lawall 2009-08-06 157 resource_size(io_res));
cf03613e9662c2 Anton Vorontsov 2008-01-09 158 ap->ioaddr.ctl_addr = devm_ioremap(dev, ctl_res->start,
041b5eac254107 Julia Lawall 2009-08-06 159 resource_size(ctl_res));
a20c9e820864e1 Paul Mundt 2006-10-27 160 } else {
cf03613e9662c2 Anton Vorontsov 2008-01-09 161 ap->ioaddr.cmd_addr = devm_ioport_map(dev, io_res->start,
041b5eac254107 Julia Lawall 2009-08-06 162 resource_size(io_res));
cf03613e9662c2 Anton Vorontsov 2008-01-09 163 ap->ioaddr.ctl_addr = devm_ioport_map(dev, ctl_res->start,
041b5eac254107 Julia Lawall 2009-08-06 164 resource_size(ctl_res));
0d5ff566779f89 Tejun Heo 2007-02-01 165 }
5d728824efeda6 Tejun Heo 2007-04-17 166 if (!ap->ioaddr.cmd_addr || !ap->ioaddr.ctl_addr) {
cf03613e9662c2 Anton Vorontsov 2008-01-09 167 dev_err(dev, "failed to map IO/CTL base\n");
0d5ff566779f89 Tejun Heo 2007-02-01 168 return -ENOMEM;
a20c9e820864e1 Paul Mundt 2006-10-27 169 }
a20c9e820864e1 Paul Mundt 2006-10-27 170
5d728824efeda6 Tejun Heo 2007-04-17 171 ap->ioaddr.altstatus_addr = ap->ioaddr.ctl_addr;
a20c9e820864e1 Paul Mundt 2006-10-27 172
cf03613e9662c2 Anton Vorontsov 2008-01-09 173 pata_platform_setup_port(&ap->ioaddr, ioport_shift);
a20c9e820864e1 Paul Mundt 2006-10-27 174
cbcdd87593a1d8 Tejun Heo 2007-08-18 175 ata_port_desc(ap, "%s cmd 0x%llx ctl 0x%llx", mmio ? "mmio" : "ioport",
cbcdd87593a1d8 Tejun Heo 2007-08-18 176 (unsigned long long)io_res->start,
cbcdd87593a1d8 Tejun Heo 2007-08-18 177 (unsigned long long)ctl_res->start);
cbcdd87593a1d8 Tejun Heo 2007-08-18 178
5d728824efeda6 Tejun Heo 2007-04-17 179 /* activate */
9363c3825ea9ad Tejun Heo 2008-04-07 180 return ata_host_activate(host, irq, irq ? ata_sff_interrupt : NULL,
17263905399471 Akinobu Mita 2015-01-29 181 irq_flags, sht);
a20c9e820864e1 Paul Mundt 2006-10-27 182 }
cf03613e9662c2 Anton Vorontsov 2008-01-09 183 EXPORT_SYMBOL_GPL(__pata_platform_probe);
a20c9e820864e1 Paul Mundt 2006-10-27 184

:::::: The code at line 97 was first introduced by commit
:::::: 0ec24914675c48213378da550db494bf154f0f6c Drivers: ata: remove __dev* attributes.

:::::: TO: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
:::::: CC: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

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