* drivers/tty/serial/samsung_tty.c:2512 samsung_early_busyuart_fifo() warn: this loop depends on readl() succeeding
@ 2020-12-10 17:15 kernel test robot
0 siblings, 0 replies; 3+ messages in thread
From: kernel test robot @ 2020-12-10 17:15 UTC (permalink / raw)
To: kbuild
[-- Attachment #1: Type: text/plain, Size: 2219 bytes --]
CC: kbuild-all(a)lists.01.org
CC: linux-kernel(a)vger.kernel.org
TO: "Greg Kroah-Hartman" <gregkh@linuxfoundation.org>
CC: Krzysztof Kozlowski <krzk@kernel.org>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: a2f5ea9e314ba6778f885c805c921e9362ec0420
commit: b87671f17c3e94e80b802904d80b6ed213ac70ae tty: serial: samsung: allow driver to be built by anyone
date: 12 months ago
:::::: branch date: 18 hours ago
:::::: commit date: 12 months ago
config: openrisc-randconfig-m031-20201209 (attached as .config)
compiler: or1k-linux-gcc (GCC) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
smatch warnings:
drivers/tty/serial/samsung_tty.c:2512 samsung_early_busyuart_fifo() warn: this loop depends on readl() succeeding
vim +2512 drivers/tty/serial/samsung_tty.c
b94ba0328d3b36 drivers/tty/serial/samsung.c Tomasz Figa 2015-01-23 2507
b94ba0328d3b36 drivers/tty/serial/samsung.c Tomasz Figa 2015-01-23 2508 static void samsung_early_busyuart_fifo(struct uart_port *port)
b94ba0328d3b36 drivers/tty/serial/samsung.c Tomasz Figa 2015-01-23 2509 {
b94ba0328d3b36 drivers/tty/serial/samsung.c Tomasz Figa 2015-01-23 2510 struct samsung_early_console_data *data = port->private_data;
b94ba0328d3b36 drivers/tty/serial/samsung.c Tomasz Figa 2015-01-23 2511
b94ba0328d3b36 drivers/tty/serial/samsung.c Tomasz Figa 2015-01-23 @2512 while (readl(port->membase + S3C2410_UFSTAT) & data->txfull_mask)
b94ba0328d3b36 drivers/tty/serial/samsung.c Tomasz Figa 2015-01-23 2513 ;
b94ba0328d3b36 drivers/tty/serial/samsung.c Tomasz Figa 2015-01-23 2514 }
b94ba0328d3b36 drivers/tty/serial/samsung.c Tomasz Figa 2015-01-23 2515
:::::: The code at line 2512 was first introduced by commit
:::::: b94ba0328d3b36ff95f5074c0e9b44f90dc56bb5 serial: samsung: Add support for early console
:::::: TO: Tomasz Figa <t.figa@samsung.com>
:::::: CC: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 32422 bytes --]
^ permalink raw reply [flat|nested] 3+ messages in thread
* drivers/tty/serial/samsung_tty.c:2512 samsung_early_busyuart_fifo() warn: this loop depends on readl() succeeding
@ 2020-10-19 5:18 kernel test robot
0 siblings, 0 replies; 3+ messages in thread
From: kernel test robot @ 2020-10-19 5:18 UTC (permalink / raw)
To: kbuild
[-- Attachment #1: Type: text/plain, Size: 2223 bytes --]
CC: kbuild-all(a)lists.01.org
CC: linux-kernel(a)vger.kernel.org
TO: "Greg Kroah-Hartman" <gregkh@linuxfoundation.org>
CC: Krzysztof Kozlowski <krzk@kernel.org>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 7cf726a59435301046250c42131554d9ccc566b8
commit: b87671f17c3e94e80b802904d80b6ed213ac70ae tty: serial: samsung: allow driver to be built by anyone
date: 10 months ago
:::::: branch date: 8 hours ago
:::::: commit date: 10 months ago
config: ia64-randconfig-m031-20201019 (attached as .config)
compiler: ia64-linux-gcc (GCC) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
smatch warnings:
drivers/tty/serial/samsung_tty.c:2512 samsung_early_busyuart_fifo() warn: this loop depends on readl() succeeding
vim +2512 drivers/tty/serial/samsung_tty.c
b94ba0328d3b36f drivers/tty/serial/samsung.c Tomasz Figa 2015-01-23 2507
b94ba0328d3b36f drivers/tty/serial/samsung.c Tomasz Figa 2015-01-23 2508 static void samsung_early_busyuart_fifo(struct uart_port *port)
b94ba0328d3b36f drivers/tty/serial/samsung.c Tomasz Figa 2015-01-23 2509 {
b94ba0328d3b36f drivers/tty/serial/samsung.c Tomasz Figa 2015-01-23 2510 struct samsung_early_console_data *data = port->private_data;
b94ba0328d3b36f drivers/tty/serial/samsung.c Tomasz Figa 2015-01-23 2511
b94ba0328d3b36f drivers/tty/serial/samsung.c Tomasz Figa 2015-01-23 @2512 while (readl(port->membase + S3C2410_UFSTAT) & data->txfull_mask)
b94ba0328d3b36f drivers/tty/serial/samsung.c Tomasz Figa 2015-01-23 2513 ;
b94ba0328d3b36f drivers/tty/serial/samsung.c Tomasz Figa 2015-01-23 2514 }
b94ba0328d3b36f drivers/tty/serial/samsung.c Tomasz Figa 2015-01-23 2515
:::::: The code at line 2512 was first introduced by commit
:::::: b94ba0328d3b36ff95f5074c0e9b44f90dc56bb5 serial: samsung: Add support for early console
:::::: TO: Tomasz Figa <t.figa@samsung.com>
:::::: CC: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
[-- Attachment #2: config.gz --]
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^ permalink raw reply [flat|nested] 3+ messages in thread
* drivers/tty/serial/samsung_tty.c:2512 samsung_early_busyuart_fifo() warn: this loop depends on readl() succeeding
@ 2020-09-12 20:28 kernel test robot
0 siblings, 0 replies; 3+ messages in thread
From: kernel test robot @ 2020-09-12 20:28 UTC (permalink / raw)
To: kbuild
[-- Attachment #1: Type: text/plain, Size: 2516 bytes --]
CC: kbuild-all(a)lists.01.org
CC: linux-kernel(a)vger.kernel.org
TO: "Greg Kroah-Hartman" <gregkh@linuxfoundation.org>
CC: Krzysztof Kozlowski <krzk@kernel.org>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 729e3d091984487f7aa1ebfabfe594e5b317ed0f
commit: b87671f17c3e94e80b802904d80b6ed213ac70ae tty: serial: samsung: allow driver to be built by anyone
date: 9 months ago
:::::: branch date: 24 hours ago
:::::: commit date: 9 months ago
config: i386-randconfig-m021-20200913 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
smatch warnings:
drivers/tty/serial/samsung_tty.c:2512 samsung_early_busyuart_fifo() warn: this loop depends on readl() succeeding
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b87671f17c3e94e80b802904d80b6ed213ac70ae
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout b87671f17c3e94e80b802904d80b6ed213ac70ae
vim +2512 drivers/tty/serial/samsung_tty.c
b94ba0328d3b36 drivers/tty/serial/samsung.c Tomasz Figa 2015-01-23 2507
b94ba0328d3b36 drivers/tty/serial/samsung.c Tomasz Figa 2015-01-23 2508 static void samsung_early_busyuart_fifo(struct uart_port *port)
b94ba0328d3b36 drivers/tty/serial/samsung.c Tomasz Figa 2015-01-23 2509 {
b94ba0328d3b36 drivers/tty/serial/samsung.c Tomasz Figa 2015-01-23 2510 struct samsung_early_console_data *data = port->private_data;
b94ba0328d3b36 drivers/tty/serial/samsung.c Tomasz Figa 2015-01-23 2511
b94ba0328d3b36 drivers/tty/serial/samsung.c Tomasz Figa 2015-01-23 @2512 while (readl(port->membase + S3C2410_UFSTAT) & data->txfull_mask)
b94ba0328d3b36 drivers/tty/serial/samsung.c Tomasz Figa 2015-01-23 2513 ;
b94ba0328d3b36 drivers/tty/serial/samsung.c Tomasz Figa 2015-01-23 2514 }
b94ba0328d3b36 drivers/tty/serial/samsung.c Tomasz Figa 2015-01-23 2515
:::::: The code at line 2512 was first introduced by commit
:::::: b94ba0328d3b36ff95f5074c0e9b44f90dc56bb5 serial: samsung: Add support for early console
:::::: TO: Tomasz Figa <t.figa@samsung.com>
:::::: CC: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 38134 bytes --]
^ permalink raw reply [flat|nested] 3+ messages in thread
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