Remove the unneeded and unused #fsl,chan-cells property.

Signed-off-by: Herve Codina herve.codina@bootlin.com --- .../bindings/soc/fsl/cpm_qe/fsl,cpm1-scc-qmc.yaml | 10 ---------- 1 file changed, 10 deletions(-)

diff --git a/Documentation/devicetree/bindings/soc/fsl/cpm_qe/fsl,cpm1-scc-qmc.yaml b/Documentation/devicetree/bindings/soc/fsl/cpm_qe/fsl,cpm1-scc-qmc.yaml index 4ebbc7d52981..ec888f48cac8 100644 --- a/Documentation/devicetree/bindings/soc/fsl/cpm_qe/fsl,cpm1-scc-qmc.yaml +++ b/Documentation/devicetree/bindings/soc/fsl/cpm_qe/fsl,cpm1-scc-qmc.yaml @@ -59,14 +59,6 @@ properties: '#size-cells': const: 0

- '#fsl,chan-cells': - $ref: /schemas/types.yaml#/definitions/uint32 - const: 1 - description: - QMC consumers that use a phandle to QMC need to pass the channel number - with this phandle. - For instance "fsl,qmc-chan = <&qmc 16>;". - patternProperties: '^channel@([0-9]|[1-5][0-9]|6[0-3])$': description: @@ -121,7 +113,6 @@ required: - fsl,tsa-serial - '#address-cells' - '#size-cells' - - '#fsl,chan-cells'

additionalProperties: false

@@ -140,7 +131,6 @@ examples:

#address-cells = <1>; #size-cells = <0>; - #fsl,chan-cells = <1>;

fsl,tsa-serial = <&tsa FSL_CPM_TSA_SCC4>;

The assigned timeslot masks are 64bit values. In case of 64 timeslots the code uses (1 << 64) which is undefined on a 64bit value. On the PowerPC architecture, this lead to an incorrect result as (1 << 64) produces the same result as (1 << 0).

Fix the masks values taking care of the 64 timeslots case.

Signed-off-by: Herve Codina herve.codina@bootlin.com --- drivers/soc/fsl/qe/qmc.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/drivers/soc/fsl/qe/qmc.c b/drivers/soc/fsl/qe/qmc.c index cfa7207353e0..b3c292c9a14e 100644 --- a/drivers/soc/fsl/qe/qmc.c +++ b/drivers/soc/fsl/qe/qmc.c @@ -754,6 +754,11 @@ static int qmc_check_chans(struct qmc *qmc) if (ret) return ret;

+ if ((info.nb_tx_ts > 64) || (info.nb_rx_ts > 64)) { + dev_err(qmc->dev, "Number of TSA Tx/Rx TS assigned not supported\n"); + return -EINVAL; + } + /* * If more than 32 TS are assigned to this serial, one common table is * used for Tx and Rx and so masks must be equal for all channels. @@ -766,9 +771,8 @@ static int qmc_check_chans(struct qmc *qmc) is_one_table = true; }

- - tx_ts_assigned_mask = (((u64)1) << info.nb_tx_ts) - 1; - rx_ts_assigned_mask = (((u64)1) << info.nb_rx_ts) - 1; + tx_ts_assigned_mask = info.nb_tx_ts == 64 ? U64_MAX : (((u64)1) << info.nb_tx_ts) - 1; + rx_ts_assigned_mask = info.nb_rx_ts == 64 ? U64_MAX : (((u64)1) << info.nb_rx_ts) - 1;

list_for_each_entry(chan, &qmc->chan_head, list) { if (chan->tx_ts_mask > tx_ts_assigned_mask) {