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Message-ID: <202211260123.qP5jvhot-lkp@intel.com>
Date: Sat, 26 Nov 2022 01:36:41 +0800
From: kernel test robot <lkp@...el.com>
To: Bartosz Golaszewski <brgl@...ev.pl>,
Andy Gross <agross@...nel.org>,
Bjorn Andersson <andersson@...nel.org>,
Konrad Dybcio <konrad.dybcio@...ainline.org>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Jiri Slaby <jirislaby@...nel.org>,
Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
Vinod Koul <vkoul@...nel.org>, Alex Elder <elder@...nel.org>,
Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
linux-arm-msm@...r.kernel.org, linux-serial@...r.kernel.org,
Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: Re: [PATCH v3 13/13] tty: serial: qcom-geni-serial: add support for
serial engine DMA
Hi Bartosz,
I love your patch! Perhaps something to improve:
[auto build test WARNING on tty/tty-linus]
[also build test WARNING on linus/master v6.1-rc6]
[cannot apply to tty/tty-testing tty/tty-next next-20221125]
[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#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Bartosz-Golaszewski/serial-qcom-geni-serial-implement-support-for-SE-DMA/20221123-191249
base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git tty-linus
patch link: https://lore.kernel.org/r/20221123110759.1836666-14-brgl%40bgdev.pl
patch subject: [PATCH v3 13/13] tty: serial: qcom-geni-serial: add support for serial engine DMA
config: arc-allyesconfig
compiler: arceb-elf-gcc (GCC) 12.1.0
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/intel-lab-lkp/linux/commit/5f94e67883d6c82dfe857dcac6dbde75773b8942
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Bartosz-Golaszewski/serial-qcom-geni-serial-implement-support-for-SE-DMA/20221123-191249
git checkout 5f94e67883d6c82dfe857dcac6dbde75773b8942
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arc SHELL=/bin/bash drivers/tty/serial/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
All warnings (new ones prefixed by >>):
drivers/tty/serial/qcom_geni_serial.c: In function 'qcom_geni_serial_stop_tx_dma':
>> drivers/tty/serial/qcom_geni_serial.c:594:37: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
594 | port->tx_dma_addr = (dma_addr_t)NULL;
| ^
drivers/tty/serial/qcom_geni_serial.c: In function 'qcom_geni_serial_stop_rx_dma':
drivers/tty/serial/qcom_geni_serial.c:791:37: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
791 | port->rx_dma_addr = (dma_addr_t)NULL;
| ^
drivers/tty/serial/qcom_geni_serial.c: In function 'qcom_geni_serial_handle_rx_dma':
drivers/tty/serial/qcom_geni_serial.c:831:29: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
831 | port->rx_dma_addr = (dma_addr_t)NULL;
| ^
drivers/tty/serial/qcom_geni_serial.c: In function 'qcom_geni_serial_handle_tx_dma':
drivers/tty/serial/qcom_geni_serial.c:963:29: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
963 | port->tx_dma_addr = (dma_addr_t)NULL;
| ^
vim +594 drivers/tty/serial/qcom_geni_serial.c
579
580 static void qcom_geni_serial_stop_tx_dma(struct uart_port *uport)
581 {
582 struct qcom_geni_serial_port *port = to_dev_port(uport);
583 bool done;
584 u32 status;
585 u32 m_irq_en;
586
587 status = readl(uport->membase + SE_GENI_STATUS);
588 if (!(status & M_GENI_CMD_ACTIVE))
589 return;
590
591 if (port->rx_dma_addr) {
592 geni_se_tx_dma_unprep(&port->se, port->tx_dma_addr,
593 port->tx_remaining);
> 594 port->tx_dma_addr = (dma_addr_t)NULL;
595 port->tx_remaining = 0;
596 }
597
598 m_irq_en = readl(uport->membase + SE_GENI_M_IRQ_EN);
599 writel(m_irq_en, uport->membase + SE_GENI_M_IRQ_EN);
600 geni_se_cancel_m_cmd(&port->se);
601
602 done = qcom_geni_serial_poll_bit(uport, SE_GENI_S_IRQ_STATUS,
603 S_CMD_CANCEL_EN, true);
604 if (!done) {
605 geni_se_abort_m_cmd(&port->se);
606 qcom_geni_serial_poll_bit(uport, SE_GENI_M_IRQ_STATUS,
607 M_CMD_ABORT_EN, true);
608 writel(M_CMD_ABORT_EN, uport->membase + SE_GENI_M_IRQ_CLEAR);
609 }
610
611 writel(M_CMD_CANCEL_EN, uport->membase + SE_GENI_M_IRQ_CLEAR);
612 }
613
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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