On Fri, May 4, 2018 at 12:04 AM, Greg KH wrote:
> On Thu, May 03, 2018 at 08:08:48PM +0530, Muni Sekhar wrote:
>> Hi All,
>>
>> I’m trying to understand how user mode buffer is written to low level
>> serial hardware registers.
>>
>> For this I read the kernel code and I came to know that from use
On Thu, May 03, 2018 at 08:08:48PM +0530, Muni Sekhar wrote:
> Hi All,
>
> I’m trying to understand how user mode buffer is written to low level
> serial hardware registers.
>
> For this I read the kernel code and I came to know that from user mode
> write() API lands into kernel’s tty_write() ("
Hi All,
I’m trying to understand how user mode buffer is written to low level
serial hardware registers.
For this I read the kernel code and I came to know that from user mode
write() API lands into kernel’s tty_write() ("drivers/tty/tty_io.c")
and then it calls a uart_write() ("drivers/tty/seria
Hi All,
>From include/asm-generic/termbits.h , I see baudrate can be one of the
standard values: 50, 75, 110, 134, 150, 200, 300, 600, 1200, 1800,
2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400, 460800, 50,
576000, 921600, 100, 1152000, 150, 200, 250, 300,
350, 4