From mboxrd@z Thu Jan 1 00:00:00 1970 From: greg@kroah.com (Greg KH) Date: Wed, 24 Jan 2018 16:23:41 +0100 Subject: Testing low level UART driver In-Reply-To: References: <20180124132203.GA1639@kroah.com> Message-ID: <20180124152341.GA24485@kroah.com> To: kernelnewbies@lists.kernelnewbies.org List-Id: kernelnewbies.lists.kernelnewbies.org On Wed, Jan 24, 2018 at 08:43:56PM +0530, Muni Sekhar wrote: > On Wed, Jan 24, 2018 at 6:52 PM, Greg KH wrote: > > On Wed, Jan 24, 2018 at 06:46:06PM +0530, Muni Sekhar wrote: > >> Hi All, > >> > >> Does Linux kernel tree has any standard utilities to test any low > >> level UART driver? > > > > What do you mean by "low level UART driver"? > bcm63xx_uart.c > > > > > Have you tried one of the many different userspace serial port tools? > I tried only minicom. Could you let me know the best userspace serial > port tools. What doesn't work with minicom? That's a really good tester given that it exercises the tty layer a lot. > > Those are usually the best test of a system, along with some simple > > loop-back tests if you have the proper hardware plugged into the serial > > port. > > > > What driver are you trying to test? > I?m trying to test Broadcom 63xx integrated uart driver. What currently does not work with it? The driver has been around for a very long time, it should be really stable. thanks, greg k-h