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-rw-r--r--drivers/firmware/efi/earlycon.c14
-rw-r--r--drivers/firmware/efi/efivars.c4
-rw-r--r--drivers/firmware/efi/libstub/arm-stub.c6
-rw-r--r--drivers/firmware/efi/libstub/tpm.c5
-rw-r--r--drivers/firmware/efi/tpm.c7
-rw-r--r--drivers/firmware/imx/imx-scu.c62
6 files changed, 71 insertions, 27 deletions
diff --git a/drivers/firmware/efi/earlycon.c b/drivers/firmware/efi/earlycon.c
index 5d4f84781aa0..a52236e11e5f 100644
--- a/drivers/firmware/efi/earlycon.c
+++ b/drivers/firmware/efi/earlycon.c
@@ -114,14 +114,16 @@ static void efi_earlycon_write_char(u32 *dst, unsigned char c, unsigned int h)
const u32 color_black = 0x00000000;
const u32 color_white = 0x00ffffff;
const u8 *src;
- u8 s8;
- int m;
+ int m, n, bytes;
+ u8 x;
- src = font->data + c * font->height;
- s8 = *(src + h);
+ bytes = BITS_TO_BYTES(font->width);
+ src = font->data + c * font->height * bytes + h * bytes;
- for (m = 0; m < 8; m++) {
- if ((s8 >> (7 - m)) & 1)
+ for (m = 0; m < font->width; m++) {
+ n = m % 8;
+ x = *(src + m / 8);
+ if ((x >> (7 - n)) & 1)
*dst = color_white;
else
*dst = color_black;
diff --git a/drivers/firmware/efi/efivars.c b/drivers/firmware/efi/efivars.c
index aff3dfb4d7ba..d187585db97a 100644
--- a/drivers/firmware/efi/efivars.c
+++ b/drivers/firmware/efi/efivars.c
@@ -522,8 +522,10 @@ efivar_create_sysfs_entry(struct efivar_entry *new_var)
ret = kobject_init_and_add(&new_var->kobj, &efivar_ktype,
NULL, "%s", short_name);
kfree(short_name);
- if (ret)
+ if (ret) {
+ kobject_put(&new_var->kobj);
return ret;
+ }
kobject_uevent(&new_var->kobj, KOBJ_ADD);
if (efivar_entry_add(new_var, &efivar_sysfs_list)) {
diff --git a/drivers/firmware/efi/libstub/arm-stub.c b/drivers/firmware/efi/libstub/arm-stub.c
index 7bbef4a67350..30e77a9e62b2 100644
--- a/drivers/firmware/efi/libstub/arm-stub.c
+++ b/drivers/firmware/efi/libstub/arm-stub.c
@@ -59,7 +59,11 @@ static struct screen_info *setup_graphics(void)
si = alloc_screen_info();
if (!si)
return NULL;
- efi_setup_gop(si, &gop_proto, size);
+ status = efi_setup_gop(si, &gop_proto, size);
+ if (status != EFI_SUCCESS) {
+ free_screen_info(si);
+ return NULL;
+ }
}
return si;
}
diff --git a/drivers/firmware/efi/libstub/tpm.c b/drivers/firmware/efi/libstub/tpm.c
index 1d59e103a2e3..e9a684637b70 100644
--- a/drivers/firmware/efi/libstub/tpm.c
+++ b/drivers/firmware/efi/libstub/tpm.c
@@ -54,7 +54,7 @@ void efi_retrieve_tpm2_eventlog(void)
efi_status_t status;
efi_physical_addr_t log_location = 0, log_last_entry = 0;
struct linux_efi_tpm_eventlog *log_tbl = NULL;
- struct efi_tcg2_final_events_table *final_events_table;
+ struct efi_tcg2_final_events_table *final_events_table = NULL;
unsigned long first_entry_addr, last_entry_addr;
size_t log_size, last_entry_size;
efi_bool_t truncated;
@@ -127,7 +127,8 @@ void efi_retrieve_tpm2_eventlog(void)
* Figure out whether any events have already been logged to the
* final events structure, and if so how much space they take up
*/
- final_events_table = get_efi_config_table(LINUX_EFI_TPM_FINAL_LOG_GUID);
+ if (version == EFI_TCG2_EVENT_LOG_FORMAT_TCG_2)
+ final_events_table = get_efi_config_table(LINUX_EFI_TPM_FINAL_LOG_GUID);
if (final_events_table && final_events_table->nr_events) {
struct tcg_pcr_event2_head *header;
int offset;
diff --git a/drivers/firmware/efi/tpm.c b/drivers/firmware/efi/tpm.c
index 31f9f0e369b9..c1955d320fec 100644
--- a/drivers/firmware/efi/tpm.c
+++ b/drivers/firmware/efi/tpm.c
@@ -16,7 +16,7 @@
int efi_tpm_final_log_size;
EXPORT_SYMBOL(efi_tpm_final_log_size);
-static int tpm2_calc_event_log_size(void *data, int count, void *size_info)
+static int __init tpm2_calc_event_log_size(void *data, int count, void *size_info)
{
struct tcg_pcr_event2_head *header;
int event_size, size = 0;
@@ -62,8 +62,11 @@ int __init efi_tpm_eventlog_init(void)
tbl_size = sizeof(*log_tbl) + log_tbl->size;
memblock_reserve(efi.tpm_log, tbl_size);
- if (efi.tpm_final_log == EFI_INVALID_TABLE_ADDR)
+ if (efi.tpm_final_log == EFI_INVALID_TABLE_ADDR ||
+ log_tbl->version != EFI_TCG2_EVENT_LOG_FORMAT_TCG_2) {
+ pr_warn(FW_BUG "TPM Final Events table missing or invalid\n");
goto out;
+ }
final_tbl = early_memremap(efi.tpm_final_log, sizeof(*final_tbl));
diff --git a/drivers/firmware/imx/imx-scu.c b/drivers/firmware/imx/imx-scu.c
index f71eaa5bf52d..b3da2e193ad2 100644
--- a/drivers/firmware/imx/imx-scu.c
+++ b/drivers/firmware/imx/imx-scu.c
@@ -38,6 +38,7 @@ struct imx_sc_ipc {
struct device *dev;
struct mutex lock;
struct completion done;
+ bool fast_ipc;
/* temporarily store the SCU msg */
u32 *msg;
@@ -115,6 +116,7 @@ static void imx_scu_rx_callback(struct mbox_client *c, void *msg)
struct imx_sc_ipc *sc_ipc = sc_chan->sc_ipc;
struct imx_sc_rpc_msg *hdr;
u32 *data = msg;
+ int i;
if (!sc_ipc->msg) {
dev_warn(sc_ipc->dev, "unexpected rx idx %d 0x%08x, ignore!\n",
@@ -122,6 +124,19 @@ static void imx_scu_rx_callback(struct mbox_client *c, void *msg)
return;
}
+ if (sc_ipc->fast_ipc) {
+ hdr = msg;
+ sc_ipc->rx_size = hdr->size;
+ sc_ipc->msg[0] = *data++;
+
+ for (i = 1; i < sc_ipc->rx_size; i++)
+ sc_ipc->msg[i] = *data++;
+
+ complete(&sc_ipc->done);
+
+ return;
+ }
+
if (sc_chan->idx == 0) {
hdr = msg;
sc_ipc->rx_size = hdr->size;
@@ -143,20 +158,22 @@ static void imx_scu_rx_callback(struct mbox_client *c, void *msg)
static int imx_scu_ipc_write(struct imx_sc_ipc *sc_ipc, void *msg)
{
- struct imx_sc_rpc_msg *hdr = msg;
+ struct imx_sc_rpc_msg hdr = *(struct imx_sc_rpc_msg *)msg;
struct imx_sc_chan *sc_chan;
u32 *data = msg;
int ret;
+ int size;
int i;
/* Check size */
- if (hdr->size > IMX_SC_RPC_MAX_MSG)
+ if (hdr.size > IMX_SC_RPC_MAX_MSG)
return -EINVAL;
- dev_dbg(sc_ipc->dev, "RPC SVC %u FUNC %u SIZE %u\n", hdr->svc,
- hdr->func, hdr->size);
+ dev_dbg(sc_ipc->dev, "RPC SVC %u FUNC %u SIZE %u\n", hdr.svc,
+ hdr.func, hdr.size);
- for (i = 0; i < hdr->size; i++) {
+ size = sc_ipc->fast_ipc ? 1 : hdr.size;
+ for (i = 0; i < size; i++) {
sc_chan = &sc_ipc->chans[i % 4];
/*
@@ -168,8 +185,10 @@ static int imx_scu_ipc_write(struct imx_sc_ipc *sc_ipc, void *msg)
* Wait for tx_done before every send to ensure that no
* queueing happens at the mailbox channel level.
*/
- wait_for_completion(&sc_chan->tx_done);
- reinit_completion(&sc_chan->tx_done);
+ if (!sc_ipc->fast_ipc) {
+ wait_for_completion(&sc_chan->tx_done);
+ reinit_completion(&sc_chan->tx_done);
+ }
ret = mbox_send_message(sc_chan->ch, &data[i]);
if (ret < 0)
@@ -246,6 +265,8 @@ static int imx_scu_probe(struct platform_device *pdev)
struct imx_sc_chan *sc_chan;
struct mbox_client *cl;
char *chan_name;
+ struct of_phandle_args args;
+ int num_channel;
int ret;
int i;
@@ -253,11 +274,20 @@ static int imx_scu_probe(struct platform_device *pdev)
if (!sc_ipc)
return -ENOMEM;
- for (i = 0; i < SCU_MU_CHAN_NUM; i++) {
- if (i < 4)
+ ret = of_parse_phandle_with_args(pdev->dev.of_node, "mboxes",
+ "#mbox-cells", 0, &args);
+ if (ret)
+ return ret;
+
+ sc_ipc->fast_ipc = of_device_is_compatible(args.np, "fsl,imx8-mu-scu");
+
+ num_channel = sc_ipc->fast_ipc ? 2 : SCU_MU_CHAN_NUM;
+ for (i = 0; i < num_channel; i++) {
+ if (i < num_channel / 2)
chan_name = kasprintf(GFP_KERNEL, "tx%d", i);
else
- chan_name = kasprintf(GFP_KERNEL, "rx%d", i - 4);
+ chan_name = kasprintf(GFP_KERNEL, "rx%d",
+ i - num_channel / 2);
if (!chan_name)
return -ENOMEM;
@@ -269,13 +299,15 @@ static int imx_scu_probe(struct platform_device *pdev)
cl->knows_txdone = true;
cl->rx_callback = imx_scu_rx_callback;
- /* Initial tx_done completion as "done" */
- cl->tx_done = imx_scu_tx_done;
- init_completion(&sc_chan->tx_done);
- complete(&sc_chan->tx_done);
+ if (!sc_ipc->fast_ipc) {
+ /* Initial tx_done completion as "done" */
+ cl->tx_done = imx_scu_tx_done;
+ init_completion(&sc_chan->tx_done);
+ complete(&sc_chan->tx_done);
+ }
sc_chan->sc_ipc = sc_ipc;
- sc_chan->idx = i % 4;
+ sc_chan->idx = i % (num_channel / 2);
sc_chan->ch = mbox_request_channel_byname(cl, chan_name);
if (IS_ERR(sc_chan->ch)) {
ret = PTR_ERR(sc_chan->ch);
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-04-27 15:27:08 +0000