> -----Original Message----- > From: Kun Yi [mailto:kunyi@xxxxxxxxxx] > Sent: Thursday, November 30, 2017 12:51 AM > To: Oleksandr Shamray <oleksandrs@xxxxxxxxxxxx> > Cc: gregkh@xxxxxxxxxxxxxxxxxxx; arnd@xxxxxxxx; system-sw-low-level > <system-sw-low-level@xxxxxxxxxxxx>; devicetree@xxxxxxxxxxxxxxx; > jiri@xxxxxxxxxxx; Vadim Pasternak <vadimp@xxxxxxxxxxxx>; linux- > api@xxxxxxxxxxxxxxx; OpenBMC Maillist <openbmc@xxxxxxxxxxxxxxxx>; linux- > kernel@xxxxxxxxxxxxxxx; openocd-devel-owner@xxxxxxxxxxxxxxxxxxxxx; > mec@xxxxxxxxx; Jiri Pirko <jiri@xxxxxxxxxxxx>; robh+dt@xxxxxxxxxx; linux- > serial@xxxxxxxxxxxxxxx; tklauser@xxxxxxxxxx; mchehab@xxxxxxxxxx; > davem@xxxxxxxxxxxxx; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx > Subject: Re: [patch v12 2/4] drivers: jtag: Add Aspeed SoC 24xx and 25xx > families JTAG master driver > > Thanks for working on the driver, Oleksandr. I gave this a try on a board with > Aspeed 2520. One question below: > > On Tue, Nov 14, 2017 at 8:11 AM, Oleksandr Shamray > <oleksandrs@xxxxxxxxxxxx> wrote: > > Driver adds support of Aspeed 2500/2400 series SOC JTAG master controller. > > > > Driver implements the following jtag ops: > > - freq_get; > > - freq_set; > > - status_get; > > - idle; > > - xfer; > > [..] > > + > > +static const struct jtag_ops aspeed_jtag_ops = { > > + .freq_get = aspeed_jtag_freq_get, > > + .freq_set = aspeed_jtag_freq_set, > > + .status_get = aspeed_jtag_status_get, > > + .idle = aspeed_jtag_idle, > > + .xfer = aspeed_jtag_xfer, > > + .mode_set = aspeed_jtag_mode_set }; > > + > > +static int aspeed_jtag_probe(struct platform_device *pdev) { > > + struct aspeed_jtag *aspeed_jtag; > > + struct jtag *jtag; > > + int err; > > + > > + if (!of_device_is_compatible(pdev->dev.of_node, > > + "aspeed,aspeed-jtag")) > > Should this be "aspeed,ast2400-jtag"/"aspeed,ast2500-jtag" as specified in the > compatible string below? > Yes > > + return -ENOMEM; > > + > > + jtag = jtag_alloc(sizeof(*aspeed_jtag), &aspeed_jtag_ops); > > + if (!jtag) > > + return -ENODEV; > > + > > + platform_set_drvdata(pdev, jtag); > > + aspeed_jtag = jtag_priv(jtag); > > + aspeed_jtag->dev = &pdev->dev; > > + [..] > > + > > +MODULE_AUTHOR("Oleksandr Shamray <oleksandrs@xxxxxxxxxxxx>"); > > +MODULE_DESCRIPTION("ASPEED JTAG driver"); MODULE_LICENSE("GPL > v2"); > > -- > > 1.7.1 > > > -- > Regards, > Kun Thanks. BR Oleksandr Shamray ��.n��������+%������w��{.n�����{����* jg��� �����ݢj����G���� ���j:+v���w�m������w�������h�����٥
