I2c_imx_init_recovery_info
Webb14 maj 2024 · Kernel symbols, such as functions and variables, have version information attached to them. This package contains the symbol versions for the standard kernels. This package is needed for compiling kernel module packages with proper package dependencies. Source Timestamp: 2024-03-30 09:19:37 +0000 GIT Revision ... Webb20 aug. 2024 · linux在启动uboot的时候，会解析设备树，自动调用i2c_register_board_info函数将硬件设备注册进设备链表中。. 故在总线驱动注册时，会扫描设备链表域，并获取链表中的数据生成对应的与adapter总线相同的i2c_client。. 在i2c_client生成完毕之后，就会开始遍历i2c_driver链表 ...
I2c_imx_init_recovery_info
Did you know?
WebbGao, You completely ignored my review, so I resend it here. The context may not fit exactly since it's from the v5 patch. Sascha On Fri, Sep 11, 2015 at 06:42:34PM +0800, Gao Pan wrote: > Implement bus recovery methods for i2c-imx so we can recover from > situations where SCL/SDA are stuck low. > > Once i2c bus SCL/SDA are stuck low … WebbYet something to improve: [auto build test ERROR on wsa/i2c/for-next] [also build test ERROR on clk/clk-next shawnguo/for-next v5.12-rc5 next-20240330] [If your patch is …
WebbBus recovery should be able to fix these situations. But please note: there are I2C client devices which detect a stuck SDA on their side and release it on their own after a few … Webbi2c_imx_reset_regs(i2c_imx); /* Init optional bus recovery function */ ret = i2c_imx_init_recovery_info(i2c_imx, pdev); /* Give it another chance if pinctrl used is …
Webb*Re: [PATCH] gpiolib: Defer on non-DT find_chip_by_name() failure 2024-07-03 17:26 [PATCH] gpiolib: Defer on non-DT find_chip_by_name() failure Janusz Krzysztofik @ 2024-07-03 17:31 ` Boris Brezillon 2024-07-04 19:13 ` Janusz Krzysztofik 2024-07-03 20:06 ` Andy Shevchenko 2024-07-03 22:18 ` " Janusz Krzysztofik 2 siblings, 1 reply; … WebbThe I2C file extension indicates to your device which app can open the file. However, different programs may use the I2C file type for different types of data. While we do not …
Webb7 aug. 2024 · If CONFIG_PINCTRL is disabled, we will display an info about a missing functionality, but would still continue normally without it (i.e. return PTR_ERR(NULL) = …
Webb28 apr. 2024 · I2C receiver may lock up, holding the I2C SDA line low, in a system that has. slow rise/fall time on the I2C clock (I2C SCL) if the environment is noisy. The … hayward turbo cell standWebb[abi_symbol_list] # commonly used symbols: add_wait_queue: alloc_chrdev_region: alloc_etherdev_mqs: alloc_netdev_mqs __alloc_pages: alloc_pages_exact __alloc_percpu hayward turbo cell t925Webb@@ -1031,6 +1175,50 @@ static int i2c_imx_init_recovery_info(struct imx_i2c_struct *i2c_imx, return 0;} + /* + * switch SCL and SDA to their GPIO function and do some bitbanging + * for bus recovery. + * There are platforms such as Layerscape that don't support pinctrl, so add hayward turbo cell salt generatorWebb26 apr. 2024 · But I discovered that the recover mechanism is not called in case of blocked bus. The debugging showed that the i2c_imx_init_recovery_info() is not running correctly. Here we try to get the state of the PINCTRL_STATE_DEFAULT and the “gpio” i2c-imx.c:1016 But when you check the dts imx6qdl-colibri.dtsi:392 you see tha... hayward turbo cell t 15 warrantyWebb28 feb. 2014 · The I2C controller has the built-in capability to bit-bang its lines. Use this to implement a generic recovery routine that puts the controller in GPIO mode and pulse the clk lines until both SDA and SCL return to a high state. Because the controller must be held in reset while doing so, the recovery routine must re-init the controller. hayward turbo cell t 9Webb1 apr. 2024 · I2C总线具有结构简单使用方便的特点。本文描述了Linux下I2C驱动的结构，并在此基础上给出了I2C设备驱动和应用的实现。 1 引言 I2C (INTER－Integrated … hayward turbo cell t-cell-15 40 000hayward turbo cell t 5