| Message ID | 1680076012-10785-4-git-send-email-quic_mojha@quicinc.com |
|---|---|
| State | New |
| Headers | show |
| Series | Refactor to support multiple download mode | expand |
On Wed, Mar 29, 2023 at 01:16:50PM +0530, Mukesh Ojha wrote: > CrashDump collection is based on the DLOAD bit of TCSR register. > To retain other bits, we read the register and modify only the > DLOAD bit as the other bits have their own significance. > > Signed-off-by: Poovendhan Selvaraj <quic_poovendh@quicinc.com> With Poovendhan being the first one to sign off the patch, was he the author? Or should this be Co-developed-by: Poovendhan ? Regards, Bjorn > Signed-off-by: Mukesh Ojha <quic_mojha@quicinc.com> > --- > drivers/firmware/qcom_scm.c | 8 ++++++-- > 1 file changed, 6 insertions(+), 2 deletions(-) > > diff --git a/drivers/firmware/qcom_scm.c b/drivers/firmware/qcom_scm.c > index cb0bc32..8e39b97 100644 > --- a/drivers/firmware/qcom_scm.c > +++ b/drivers/firmware/qcom_scm.c > @@ -30,6 +30,9 @@ module_param(download_mode, bool, 0); > #define SCM_HAS_IFACE_CLK BIT(1) > #define SCM_HAS_BUS_CLK BIT(2) > > +#define QCOM_DOWNLOAD_MODE_MASK 0x30 > +#define QCOM_DOWNLOAD_FULLDUMP 0x1 > + > struct qcom_scm { > struct device *dev; > struct clk *core_clk; > @@ -448,8 +451,9 @@ static void qcom_scm_set_download_mode(bool enable) > if (avail) { > ret = __qcom_scm_set_dload_mode(__scm->dev, enable); > } else if (__scm->dload_mode_addr) { > - ret = qcom_scm_io_writel(__scm->dload_mode_addr, > - enable ? QCOM_SCM_BOOT_SET_DLOAD_MODE : 0); > + ret = qcom_scm_io_update_field(__scm->dload_mode_addr, > + QCOM_DOWNLOAD_MODE_MASK, > + enable ? QCOM_DOWNLOAD_FULLDUMP : 0); > } else { > dev_err(__scm->dev, > "No available mechanism for setting download mode\n"); > -- > 2.7.4 >
diff --git a/drivers/firmware/qcom_scm.c b/drivers/firmware/qcom_scm.c index cb0bc32..8e39b97 100644 --- a/drivers/firmware/qcom_scm.c +++ b/drivers/firmware/qcom_scm.c @@ -30,6 +30,9 @@ module_param(download_mode, bool, 0); #define SCM_HAS_IFACE_CLK BIT(1) #define SCM_HAS_BUS_CLK BIT(2) +#define QCOM_DOWNLOAD_MODE_MASK 0x30 +#define QCOM_DOWNLOAD_FULLDUMP 0x1 + struct qcom_scm { struct device *dev; struct clk *core_clk; @@ -448,8 +451,9 @@ static void qcom_scm_set_download_mode(bool enable) if (avail) { ret = __qcom_scm_set_dload_mode(__scm->dev, enable); } else if (__scm->dload_mode_addr) { - ret = qcom_scm_io_writel(__scm->dload_mode_addr, - enable ? QCOM_SCM_BOOT_SET_DLOAD_MODE : 0); + ret = qcom_scm_io_update_field(__scm->dload_mode_addr, + QCOM_DOWNLOAD_MODE_MASK, + enable ? QCOM_DOWNLOAD_FULLDUMP : 0); } else { dev_err(__scm->dev, "No available mechanism for setting download mode\n");