Current code handles the CPM1 version of QMC.
In order to prepare the support for the QUICC Engine (QE) version of
QMC, introduce qmc_version to identify versions. This will enable the
code to make the distinction between several QMC implementations.
Signed-off-by: Herve Codina <herve.codina@xxxxxxxxxxx>
---
drivers/soc/fsl/qe/qmc.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/soc/fsl/qe/qmc.c b/drivers/soc/fsl/qe/qmc.c
index 062477b7426e..8ff7eaaa4c50 100644
--- a/drivers/soc/fsl/qe/qmc.c
+++ b/drivers/soc/fsl/qe/qmc.c
@@ -215,7 +215,12 @@ struct qmc_chan {
bool is_rx_stopped;
};
+enum qmc_version {
+ QMC_CPM1,
+};
+
struct qmc_data {
+ enum qmc_version version;
u32 tstate; /* Initial TSTATE value */
u32 rstate; /* Initial RSTATE value */
u32 zistate; /* Initial ZISTATE value */
@@ -1811,6 +1816,7 @@ static void qmc_remove(struct platform_device *pdev)
}
static const struct qmc_data qmc_data_cpm1 = {
+ .version = QMC_CPM1,
.tstate = 0x30000000,
.rstate = 0x31000000,
.zistate = 0x00000100,
--
2.45.0
