aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/drivers/soc/qcom/qmi_encdec.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2025-07-29 11:13:27 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2025-07-29 11:13:27 -0700
commit0f46f50845ce75bfaba62df0421084d23bb6a72f (patch)
tree03e1408849f024c46d4b2294cc2d22728cc1d42b /drivers/soc/qcom/qmi_encdec.c
parentMerge tag 'soc-dt-6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc (diff)
parentMerge tag 'hisi-drivers-for-6.17' of https://github.com/hisilicon/linux-hisi into soc/drivers (diff)
downloadwireguard-linux-0f46f50845ce75bfaba62df0421084d23bb6a72f.tar.xz
wireguard-linux-0f46f50845ce75bfaba62df0421084d23bb6a72f.zip
Merge tag 'soc-drivers-6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull SoC driver updates from Arnd Bergmann: "Changes are all over the place, but very little sticks out as noteworthy. There is a new misc driver for the Raspberry Pi 5's RP1 multifunction I/O chip, along with hooking it up to the pinctrl and clk frameworks. The reset controller and memory subsystems have mainly small updates, but there are two new reset drivers for the K230 and VC1800B SoCs, and new memory driver support for Tegra264. The ARM SMCCC and SCMI firmware drivers gain a few more features that should help them be supported across more environments. Similarly, the SoC specific firmware on Tegra and Qualcomm get minor enhancements and chip support. In the drivers/soc/ directory, the ASPEED LPC snoop driver gets an overhaul for code robustness, the Tegra and Qualcomm and NXP drivers grow to support more chips, while the Hisilicon, Mediatek and Renesas drivers see mostly janitorial fixes" * tag 'soc-drivers-6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (100 commits) bus: del unnecessary init var soc: fsl: qe: convert set_multiple() to returning an integer pinctrl: rp1: use new GPIO line value setter callbacks soc: hisilicon: kunpeng_hccs: Fix incorrect log information dt-bindings: soc: qcom: qcom,pmic-glink: document Milos compatible dt-bindings: soc: qcom,aoss-qmp: document the Milos Always-On Subsystem side channel dt-bindings: firmware: qcom,scm: document Milos SCM Firmware Interface soc: qcom: socinfo: Add support to retrieve APPSBL build details soc: qcom: pmic_glink: fix OF node leak soc: qcom: spmi-pmic: add more PMIC SUBTYPE IDs soc: qcom: socinfo: Add PM7550 & PMIV0108 PMICs soc: qcom: socinfo: Add SoC IDs for SM7635 family dt-bindings: arm: qcom,ids: Add SoC IDs for SM7635 family firmware: qcom: scm: request the waitqueue irq *after* initializing SCM firmware: qcom: scm: initialize tzmem before marking SCM as available firmware: qcom: scm: take struct device as argument in SHM bridge enable firmware: qcom: scm: remove unused arguments from SHM bridge routines soc: qcom: rpmh-rsc: Add RSC version 4 support memory: tegra: Add Tegra264 MC and EMC support firmware: tegra: bpmp: Fix build failure for tegra264-only config ...
Diffstat (limited to 'drivers/soc/qcom/qmi_encdec.c')
-rw-r--r--drivers/soc/qcom/qmi_encdec.c52
1 files changed, 41 insertions, 11 deletions
diff --git a/drivers/soc/qcom/qmi_encdec.c b/drivers/soc/qcom/qmi_encdec.c
index bb09eff85cff..7660a960fb45 100644
--- a/drivers/soc/qcom/qmi_encdec.c
+++ b/drivers/soc/qcom/qmi_encdec.c
@@ -304,6 +304,8 @@ static int qmi_encode(const struct qmi_elem_info *ei_array, void *out_buf,
const void *buf_src;
int encode_tlv = 0;
int rc;
+ u8 val8;
+ u16 val16;
if (!ei_array)
return 0;
@@ -338,7 +340,6 @@ static int qmi_encode(const struct qmi_elem_info *ei_array, void *out_buf,
break;
case QMI_DATA_LEN:
- memcpy(&data_len_value, buf_src, temp_ei->elem_size);
data_len_sz = temp_ei->elem_size == sizeof(u8) ?
sizeof(u8) : sizeof(u16);
/* Check to avoid out of range buffer access */
@@ -348,8 +349,17 @@ static int qmi_encode(const struct qmi_elem_info *ei_array, void *out_buf,
__func__);
return -ETOOSMALL;
}
- rc = qmi_encode_basic_elem(buf_dst, &data_len_value,
- 1, data_len_sz);
+ if (data_len_sz == sizeof(u8)) {
+ val8 = *(u8 *)buf_src;
+ data_len_value = (u32)val8;
+ rc = qmi_encode_basic_elem(buf_dst, &val8,
+ 1, data_len_sz);
+ } else {
+ val16 = *(u16 *)buf_src;
+ data_len_value = (u32)le16_to_cpu(val16);
+ rc = qmi_encode_basic_elem(buf_dst, &val16,
+ 1, data_len_sz);
+ }
UPDATE_ENCODE_VARIABLES(temp_ei, buf_dst,
encoded_bytes, tlv_len,
encode_tlv, rc);
@@ -523,14 +533,23 @@ static int qmi_decode_string_elem(const struct qmi_elem_info *ei_array,
u32 string_len = 0;
u32 string_len_sz = 0;
const struct qmi_elem_info *temp_ei = ei_array;
+ u8 val8;
+ u16 val16;
if (dec_level == 1) {
string_len = tlv_len;
} else {
string_len_sz = temp_ei->elem_len <= U8_MAX ?
sizeof(u8) : sizeof(u16);
- rc = qmi_decode_basic_elem(&string_len, buf_src,
- 1, string_len_sz);
+ if (string_len_sz == sizeof(u8)) {
+ rc = qmi_decode_basic_elem(&val8, buf_src,
+ 1, string_len_sz);
+ string_len = (u32)val8;
+ } else {
+ rc = qmi_decode_basic_elem(&val16, buf_src,
+ 1, string_len_sz);
+ string_len = (u32)val16;
+ }
decoded_bytes += rc;
}
@@ -604,6 +623,9 @@ static int qmi_decode(const struct qmi_elem_info *ei_array, void *out_c_struct,
u32 decoded_bytes = 0;
const void *buf_src = in_buf;
int rc;
+ u8 val8;
+ u16 val16;
+ u32 val32;
while (decoded_bytes < in_buf_len) {
if (dec_level >= 2 && temp_ei->data_type == QMI_EOTI)
@@ -642,9 +664,17 @@ static int qmi_decode(const struct qmi_elem_info *ei_array, void *out_c_struct,
if (temp_ei->data_type == QMI_DATA_LEN) {
data_len_sz = temp_ei->elem_size == sizeof(u8) ?
sizeof(u8) : sizeof(u16);
- rc = qmi_decode_basic_elem(&data_len_value, buf_src,
- 1, data_len_sz);
- memcpy(buf_dst, &data_len_value, sizeof(u32));
+ if (data_len_sz == sizeof(u8)) {
+ rc = qmi_decode_basic_elem(&val8, buf_src,
+ 1, data_len_sz);
+ data_len_value = (u32)val8;
+ } else {
+ rc = qmi_decode_basic_elem(&val16, buf_src,
+ 1, data_len_sz);
+ data_len_value = (u32)val16;
+ }
+ val32 = cpu_to_le32(data_len_value);
+ memcpy(buf_dst, &val32, sizeof(u32));
temp_ei = temp_ei + 1;
buf_dst = out_c_struct + temp_ei->offset;
tlv_len -= data_len_sz;
@@ -746,9 +776,9 @@ void *qmi_encode_message(int type, unsigned int msg_id, size_t *len,
hdr = msg;
hdr->type = type;
- hdr->txn_id = txn_id;
- hdr->msg_id = msg_id;
- hdr->msg_len = msglen;
+ hdr->txn_id = cpu_to_le16(txn_id);
+ hdr->msg_id = cpu_to_le16(msg_id);
+ hdr->msg_len = cpu_to_le16(msglen);
*len = sizeof(*hdr) + msglen;