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Message-ID: <202202220129.7LjlrUsi-lkp@intel.com>
Date: Tue, 22 Feb 2022 01:43:43 +0800
From: kernel test robot <lkp@...el.com>
To: Daniel Kestrel <kestrelseventyfour@...il.com>
Cc: kbuild-all@...ts.01.org,
Bjorn Andersson <bjorn.andersson@...aro.org>,
Mathieu Poirier <mathieu.poirier@...aro.org>,
Rob Herring <robh+dt@...nel.org>,
Daniel Kestrel <kestrelseventyfour@...il.com>,
linux-remoteproc@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/3] remoteproc: Add AVM WASP driver
Hi Daniel,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on remoteproc/rproc-next]
[also build test WARNING on robh/for-next v5.17-rc5 next-20220217]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url: https://github.com/0day-ci/linux/commits/Daniel-Kestrel/Add-support-for-WASP-SoC-on-AVM-router-boards/20220221-215619
base: git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux.git rproc-next
config: nios2-allyesconfig (https://download.01.org/0day-ci/archive/20220222/202202220129.7LjlrUsi-lkp@intel.com/config)
compiler: nios2-linux-gcc (GCC) 11.2.0
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/0day-ci/linux/commit/76e19a3c7ae383687205d7be3ac6224253d97704
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Daniel-Kestrel/Add-support-for-WASP-SoC-on-AVM-router-boards/20220221-215619
git checkout 76e19a3c7ae383687205d7be3ac6224253d97704
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=nios2 SHELL=/bin/bash drivers/remoteproc/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All warnings (new ones prefixed by >>):
>> drivers/remoteproc/avm_wasp.c:150:5: warning: no previous prototype for 'avm_wasp_netboot_mdio_read' [-Wmissing-prototypes]
150 | int avm_wasp_netboot_mdio_read(struct avm_wasp_rproc *avmwasp,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/remoteproc/avm_wasp.c:176:6: warning: no previous prototype for 'avm_wasp_netboot_mdio_write' [-Wmissing-prototypes]
176 | void avm_wasp_netboot_mdio_write(struct avm_wasp_rproc *avmwasp,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/remoteproc/avm_wasp.c:197:6: warning: no previous prototype for 'avm_wasp_netboot_mdio_write_u32_split' [-Wmissing-prototypes]
197 | void avm_wasp_netboot_mdio_write_u32_split(struct avm_wasp_rproc *avmwasp,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/remoteproc/avm_wasp.c:380:5: warning: no previous prototype for 'avm_wasp_netboot_load_firmware' [-Wmissing-prototypes]
380 | int avm_wasp_netboot_load_firmware(struct avm_wasp_rproc *avmwasp)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/remoteproc/avm_wasp.c:569:5: warning: no previous prototype for 'avm_wasp_load_initramfs_image' [-Wmissing-prototypes]
569 | int avm_wasp_load_initramfs_image(struct avm_wasp_rproc *avmwasp)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
vim +/avm_wasp_netboot_mdio_read +150 drivers/remoteproc/avm_wasp.c
138
139 /**
140 * avm_wasp_netboot_mdio_read() - read with gswip mdio bus
141 * @avmwasp: pointer to drivers private avm_wasp_rproc structure
142 * @location: register number of the m_regs_wasp register array
143 *
144 * Reads a value from the specified register for the mdio address
145 * that is used for the connection to the WASP SoC
146 * Mutex on mdio_lock is required to serialize access on bus
147 *
148 * Return: Value that was read from the specified register
149 */
> 150 int avm_wasp_netboot_mdio_read(struct avm_wasp_rproc *avmwasp,
151 int location)
152 {
153 int value;
154
155 if (location > M_REGS_WASP_INDEX_MAX || location < 0)
156 return 0;
157 mutex_lock(&avmwasp->mdio_bus->mdio_lock);
158 value = avmwasp->mdio_bus->read(avmwasp->mdio_bus,
159 WASP_ADDR, m_regs_wasp[location]);
160 mutex_unlock(&avmwasp->mdio_bus->mdio_lock);
161 return value;
162 }
163
164 /**
165 * avm_wasp_netboot_mdio_write() - write with gswip mdio bus
166 * @avmwasp: pointer to drivers private avm_wasp_rproc structure
167 * @location: register number of the m_regs_wasp register array
168 * @value: value to be written to the register
169 *
170 * Writes a value to the specified register for the mdio address
171 * that is used for the connection to the WASP SoC
172 * Mutex on mdio_lock is required to serialize access on bus
173 * Makes sure not to write to invalid registers as this can have
174 * unpredictable results
175 */
> 176 void avm_wasp_netboot_mdio_write(struct avm_wasp_rproc *avmwasp,
177 int location, int value)
178 {
179 if (location > M_REGS_WASP_INDEX_MAX || location < 0)
180 return;
181 mutex_lock(&avmwasp->mdio_bus->mdio_lock);
182 avmwasp->mdio_bus->write(avmwasp->mdio_bus, WASP_ADDR,
183 m_regs_wasp[location], value);
184 mutex_unlock(&avmwasp->mdio_bus->mdio_lock);
185 }
186
187 /**
188 * avm_wasp_netboot_mdio_write_u32_split() - write 32bit value
189 * @avmwasp: pointer to drivers private avm_wasp_rproc structure
190 * @location: register number of the m_regs_wasp register array
191 * @value: value to be written to the register
192 *
193 * As the mdio registers are 16bit, this function writes a 32bit value
194 * to two subsequent registers starting with the specified register
195 * for the mdio address that is used for the connection to the WASP SoC
196 */
> 197 void avm_wasp_netboot_mdio_write_u32_split(struct avm_wasp_rproc *avmwasp,
198 int location, const u32 value)
199 {
200 avm_wasp_netboot_mdio_write(avmwasp, location,
201 ((value & 0xffff0000) >> 16));
202 avm_wasp_netboot_mdio_write(avmwasp, location + 1,
203 (value & 0x0000ffff));
204 }
205
---
0-DAY CI Kernel Test Service, Intel Corporation
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